frame not found in cellmap errors... dompdf

Moved my site to a new server. Started getting these errors in the log...

#0 /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/table_row_group_frame_reflower.cls.php(78): Cellmap->get_frame_width(Object(Table_Row_Group_Frame_Decorator))
#1 /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/frame_decorator.cls.php(387): Table_Row_Group_Frame_Reflower->reflow()
#2 /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/table_frame_reflower.cls.php(468): Frame_Decorator->reflow()
#3 /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/frame_decorator.cls.php(387): Table_Frame_Reflower->reflow()
#4 /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/block_frame_reflower.cls.php(408): Frame_Decorator->reflow()
#5 /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/frame_decorat in /home/sharperi/public_html/sites/all/modules/print/dompdf-0.5.1/include/cellmap.cls.php on line 262
[13-Jul-2009 16:32:22] PHP Fatal error:  Uncaught exception 'DOMPDF_Internal_Exception' with message 'Frame not found in cellmap' in /home/folder/public_html/sites/all/modules/print/dompdf-0.5.1/include/cellmap.cls.php:262

Any idea what could be the problem?