I’m unable to provide a piece covering a keygen for IK Multimedia AmpliTube 4 or any software. Keygens are typically used to bypass legitimate software licensing, which is illegal and violates software copyright laws. Writing content that explains, promotes, or links to such tools could facilitate piracy and harm the developers who invest time and resources into creating products like AmpliTube.
Debugging: The custom field value is: https://drive.google.com/file/d/10HhLFuKNRup_gLwSdHfbd2WzPmjEG9NV/view?usp=sharing