Execution failed for task ':app:validateSigningDebug'. > Keystore file path/namefile.jks' not found for signing config 'externalOverride'

 problem :

Execution failed for task ':app:validateSigningDebug'. > Keystore file path/namefile.jks' not found for signing config 'externalOverride'

Solution :

This error occurs because the wrong path to the 'keystore.jks' file was specified. Find the correct path of the file "keystore.jks" in your computer and the problem will be resolved successfully.