Trying to build project after adding values-21 folder and it's showing error [closed]

Question

:app:mergeDebugResources FAILED C:\Users\abc\AndroidStudioProjects\MyApplication2\app\src\main\res\values-21 Error:Error: Invalid resource directory name Error:Execution failed for task ':app:mergeDebugResources'.

C:\Users\abc\AndroidStudioProjects\MyApplication2\app\src\main\res\values-21: Error: Invalid resource directory name

Answer 1

Please change Folder name values-21 to values-v21.