I am Facing these error on building - ant
[java] Generated 497 files
[java] Included 0 files from jar/zip files.
[java] Checking for deleted files
[java] Done!
[java] Jan 21, 2020 2:07:31 AM com.google.appinventor.buildserver.Compiler runAaptPackage
[java] INFO: AAPT time: 0.626 seconds
[java] Annotation processing got disabled, since it requires a 1.6 compliant JVM
[java] ----------
[java] 1. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 1)
[java] /* AUTO-GENERATED FILE. DO NOT MODIFY.
[java] ^
[java] The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files
[java] ----------
[java] 2. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 3. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 10)
[java] public static final class attr {
[java] ^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 4. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 33)
[java] public static final class color {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 5. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 39)
[java] public static final class dimen {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 6. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 63)
[java] public static final class drawable {
[java] ^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 7. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 77)
[java] public static final class id {
[java] ^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 8. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 114)
[java] public static final class integer {
[java] ^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 9. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 117)
[java] public static final class layout {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 10. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 125)
[java] public static final class string {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 11. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 128)
[java] public static final class style {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 12. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/coordinatorlayout/R.java (at line 138)
[java] public static final class styleable {
[java] ^^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 13. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 14. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 10)
[java] public static final class attr {
[java] ^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 15. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 24)
[java] public static final class color {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 16. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 30)
[java] public static final class dimen {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 17. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 54)
[java] public static final class drawable {
[java] ^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 18. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 68)
[java] public static final class id {
[java] ^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 19. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 98)
[java] public static final class integer {
[java] ^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 20. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 101)
[java] public static final class layout {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 21. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 109)
[java] public static final class string {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 22. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 112)
[java] public static final class style {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 23. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/asynclayoutinflater/R.java (at line 121)
[java] public static final class styleable {
[java] ^^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 24. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 25. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 10)
[java] public static final class attr {
[java] ^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 26. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 24)
[java] public static final class color {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 27. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 30)
[java] public static final class dimen {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 28. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 54)
[java] public static final class drawable {
[java] ^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 29. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 68)
[java] public static final class id {
[java] ^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 30. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 98)
[java] public static final class integer {
[java] ^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 31. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 101)
[java] public static final class layout {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 32. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 109)
[java] public static final class string {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 33. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 112)
[java] public static final class style {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 34. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/compat/R.java (at line 121)
[java] public static final class styleable {
[java] ^^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 35. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/localbroadcastmanager/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 36. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/interpolator/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 37. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 38. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 10)
[java] public static final class attr {
[java] ^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 39. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 24)
[java] public static final class color {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 40. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 30)
[java] public static final class dimen {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 41. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 54)
[java] public static final class drawable {
[java] ^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 42. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 68)
[java] public static final class id {
[java] ^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 43. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 98)
[java] public static final class integer {
[java] ^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 44. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 101)
[java] public static final class layout {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 45. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 109)
[java] public static final class string {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 46. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 112)
[java] public static final class style {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 47. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/swiperefreshlayout/R.java (at line 121)
[java] public static final class styleable {
[java] ^^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 48. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 49. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 10)
[java] public static final class attr {
[java] ^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 50. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 24)
[java] public static final class color {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 51. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 30)
[java] public static final class dimen {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 52. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 54)
[java] public static final class drawable {
[java] ^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 53. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 68)
[java] public static final class id {
[java] ^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 54. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 98)
[java] public static final class integer {
[java] ^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 55. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 101)
[java] public static final class layout {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 56. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 109)
[java] public static final class string {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 57. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 112)
[java] public static final class style {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 58. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/loader/R.java (at line 121)
[java] public static final class styleable {
[java] ^^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] ----------
[java] 59. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/graphics/drawable/R.java (at line 9)
[java] public final class R {
[java] ^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 60. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/android/support/graphics/drawable/R.java (at line 10)
[java] public static final class attr {
[java] ^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 184. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 2902)
[java] public static final class id {
[java] ^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 185. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3056)
[java] public static final class integer {
[java] ^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 186. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3063)
[java] public static final class layout {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 187. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3104)
[java] public static final class mipmap {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 188. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3109)
[java] public static final class string {
[java] ^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 189. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3184)
[java] public static final class style {
[java] ^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 190. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3538)
[java] public static final class xml {
[java] ^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 191. ERROR in /tmp/1579552646647_0.40780029541528384-0/build/generated/src/edu/mit/appinventor/aicompanion3/R.java (at line 3542)
[java] public static final class styleable {
[java] ^^^^^^^^^
[java] Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
[java] ----------
[java] 191 problems (191 errors)
[java] javac returned error code 1
BUILD FAILED
/home/saumya/appinventor-sources/appinventor/build.xml:21: The following error occurred while executing this line:
/home/saumya/appinventor-sources/appinventor/buildserver/build.xml:189: Java returned: 1