Flutter Error: Execution failed for task ':app:compileFlutterBuildDebug

Solution 1:

  1. first delte your build folder ,
  2. clean flutter by using flutter clean
  3. then pub get in pubyaml file.
  4. build again your project.

Solution 2:

I followed this website

https://www.programmersought.com/article/68154823442/

It was the from the prior error, so I have fixed that, and it solved the problem.