When I change only colours in my App, it made Error when I want to compiling!

I made an App, and it has not any problem and can compile to APK normally, I decided to change the colours in some components, but when I change the colours it gives Error when I want to compiling for APK. why?
App Inventor is unable to compile this project.
The compiler error output was
________Preparing application icon
________Creating animation xml
________Creating style xml
________Creating provider_path xml
________Creating network_security_config xml
________Generating adaptive icon file
________Generating round adaptive icon file
________Generating adaptive icon background file
________Generating manifest file
________Attaching native libraries
________Attaching Android Archive (AAR) libraries
________Attaching component assets
________Invoking AAPT
AAPT time: 0.907 seconds
________Compiling source files
(compiling appinventor/ai_esicesic24/home_automation_ESIC2_7_5/Internet.yail to appinventor.ai_esicesic24.home_automation_ESIC2_7_5.Internet)
(compiling appinventor/ai_esicesic24/home_automation_ESIC2_7_5/Wifi_or_internet.yail to appinventor.ai_esicesic24.home_automation_ESIC2_7_5.Wifi_or_internet)
(compiling appinventor/ai_esicesic24/home_automation_ESIC2_7_5/Screen1.yail to appinventor.ai_esicesic24.home_automation_ESIC2_7_5.Screen1)
(compiling /tmp/runtime8484315821571599744.scm to com.google.youngandroid.runtime)
Kawa compile time: 9.736 seconds
________Invoking DX
DX time: 35.187000 seconds
YAIL compiler - DX execution failed.

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