fix vs code issue (to finish an app)

I am looking for a developer who can help fix an issue with my VS Code (key signature) in order to finish my app.

Specific Issue:
- I am experiencing an error message when running the flutter app bundle. The error states " Execution failed for task ':app:validateSigningRelease'.".

Error Messages:
- In this error message, one can read: "> Keystore file 'C:\codecanyon-rsuV1iHG-single-radio-flutter-full-app\app\src\android\app\C:codecanyon-rsuV1iHG-single-radio-flutter-full-appappsrc' not found for signing config 'release'.".

App Details:
- My app is a simple radio app with basic functionality.

Ideal Skills and Experience:
- Experience with VS Code and Flutter development
- Knowledge of Gradle and Android app signing process
- Understanding of radio app functionality and integration