SupeV info: MySQL Query Error

Time: 2009-1-6 2:48am
Script:

SQL: UPDATE LOW_PRIORITY [Table]members SET vspace_views=vspace_views+'1' WHERE mid IN (,'19')
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''19')' at line 1
Errno.: 1064