ISPC719B ISPC719BW: Warning. Line aaaaaaaa of file "bbbbbbbb". A duplicate mnemonic value has been found during processing of a "cccccccc" tag. Only one mnemonic may be specified for each "cccccccc". Mnemonic characters used within a set of tags (ABC, PDC or CHOICE) must be unique.
Explanation
This message is self-explanatory.
User response
Remove the duplicate use of the M (Mnemonic) tag coded on the "cccccccc" tag.