Please help !!sysmaster pb.

Hi all, when I try the next statment : select max(partnum) from sysmaster:informix.systabnames I get the followinf message error : 245: Could not position within a file via an index. 102: ISAM error:illegal argument to ISAM function. I am using informix 7.30 under AIX 4.3.2 ERWin use this request to do a reverse engeneering, so when he try to do this I get a error the position into the systabnames table. Please help me to resolve this problem. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com