PDR1128W

IMM or IDM <MPF> prefix prefix1 did not match expected value of prefix2. Input: name, page ending on line number.

What happened: The value of an IMM or IDM did not match the prefix you specified on the Mup group <MPF> tag. prefix1 indicates the value encountered, prefix2 indicates the expected value from your <MPF> tag, name indicates the name of the Input, and number indicates the record number of the bottom of the page where the prefix is invalid.

What to do: Check your data or modify your <MPF> tag.