>Hello Christof
>
>update tablename (a,b,c,d,...) values (?l_a,?l_b,?l_c,?l_d...) where keyid = ?l_key
>
>We use the MAXDB ODBC Driver 7.06.00.00
>The actual on the download page is 7.06.00.36
>We will trie, but i'm not very optimistic
>
>Best regards
>Albert

Catch the ODBC API log, you can found the overrun parameter.