Have a different error code? Leave a comment below with your specific v22074a issue.
If none of the above works, and you simply want to play the game, you can revert to the previous stable version (v22074) using Steam Console. Note that you cannot play online featured levels on older versions, but practice and custom levels work. geometry dash v22074a fix
: Resolving bugs where new chests or vault items failed to display correctly. Community "Fixes" and Modding Have a different error code