The value specified after the compare string in Factor 1 (positions 18-27) is the length of the string. It contains a zero, a negative value, or a value greater than the length of the base string specified in Factor 2 (positions 33-42).
Change the compare string length to a positive value less than or equal to the base string. Compile again.
(C) Copyright IBM Corporation 1992, 2005. All Rights Reserved.