Here's information about your error:
Class for error 2xxxx: NAS/NASWII (login server) error codes.
Error for error 20110: Server shutdown (NAS returncd=110, or availability check value has bit 1 set).
Note for error 20110: On MKW ghost or record upload: You probably didn't used the original Wiimmfi-Patcher.
Solution for error 20110: Patch your image again using the original Wiimmfi-Patcher.
All information is from Wiimmfi unless noted.