App Inventor was Unable to compile this project

Hi Everyone
I am Srikar
I want to make a final test for my appathon app
then I was building my .apk and then suddenly it said 'App Inventor was Unable to compile this project'

And it also took 5 min. to connect to companion.
Total 8 screens and 19 assets
Can anyone help me with this As Soon As Possible

Look through the blocks in all screens and see if you have any yellow and red errors in the lower left corner.

This actually works
Thank You so much @Patryk_F

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