Canvas not loading

[varmakalpita24.kvbdn]

https://x.thunkable.com/projects/6131d303e4dd0c0010d56baa/9452495f-1da3-411e-98b0-dedc7ccd1600/designer

It’s like a drawing app where we draw and save the picture and can see the pictures on the next screen. Earlier it was working correctly, but now during the live test, it’s not working.Please help out