ошибка в heroku logs

       Compiling...

       Compilation failed:

       yarn run v1.22.4

       info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.





       error Command "webpack" not found.



 !

 !     Precompiling assets failed.

 !

 !     Push rejected, failed to compile Ruby app.

 !     Push failed