after update my apk showing error as per below screenshot. i not changes in new update but come error
mp3 file in my asset
error message showing when screen initialize without call play. and play time not playing.
Show the related blocks.
Now i checked not any error showing when i genera apk file. but problem with aab file and download from play store. just now i check without any changes and expert apk from kodular than working fine.
that means bud in genera appname.aab for publishing.
Can you please send the link to Play Store?
sure but in personal not here in public please .
I changed the category to discuss. If we can affirm your problem as a bug we can change the category.
Who will decide this and how will it be decided. 
Kodular developers
The app (link) you sent will be assessed and accordingly steps will be taken