Hi, i accidentally dragged my arrangement to somewhere and it disappeared and gave me a error in the browser. i still have my blocks but no components in the designer tab...
Please help me i spent hours and hours on only that arragement
Post the aia.
This URL allows you to open AI2 to the Project List, without opening any project.
http://ai2.appinventor.mit.edu/?autoload=false
From that list, you can request Exports of Projects without trying to open them.
Upload the troublesome .aia here.