Changing tabs, all tabs disappear and I get the "Undefined index: vdt" error for viewsdisplaytabs.module on line 110, 114 and 456. See enclosed images.

CommentFileSizeAuthor
Screen shot 2011-03-07 at 3.22.44 PM.png144.38 KBalberto56
Screen shot 2011-03-07 at 3.22.39 PM.png130.73 KBalberto56