There is a bug in Fancy Image bar, in kiwitrees 3.3.0. The bug produces this error message on Home pages:
ERROR 2: ILLEGAL OFFSET TYPE
0 ERROR OCCURRED ON LINE 64 OF FILE MODULE.PHP IN FUNCTION OPTIONS
1 CALLED FROM LINE 508 OF FILE MODULE.PHP IN FUNCTION GETMENU
2 CALLED FROM LINE 255 OF FILE MENUBAR.PHP IN FUNCTION GETOTHERMENUS
3 CALLED FROM LINE 123 OF FILE HEADER.PHP IN FUNCTION REQUIRE
4 CALLED FROM LINE 213 OF FILE PAGE.PHP IN FUNCTION PAGEHEADER
5 CALLED FROM LINE 68 OF FILE INDEX.PHP
The module should be disabled (In Administration > Manage modules) until it can be fixed. Hopefully that will be soon. Disabling the module does not lose your settings. They will still be there when the fix is applied.