itsn't there a more recent version of fckxoops? the one i download it's from 2007 and i'm using xoops 2.3.3 with emlh and module changer hacks
My debug inline show this when editing with fck in pico:
Warning: MyTextSanitizer::makeTboxData4Show is deprecated in file /class/module.textsanitizer.php line 665