If you are receiving an “Update failed: Could not create directory” error while installing or editing a WordPress plugin or theme, you can fix the problem by applying the following solution.
Errors:
Update failed: Could not create directory.
Installation failed: Could not create directory.
Unpacking the update… Could not create directory.
Solution:
This error is caused by missing or incorrect file and folder permissions.
To fix this issue, you need to reset your site’s directory permissions.
Or manually set all folder permissions to 755 and all file permissions to 644.
If the above solution does not work, you can try solution “Fix WordPress Connection Information Error“.