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I put in the card - PARAM,NOCOMPS=-1 to a working deck and got the 0*** SYSTEM FATAL MESSAGE 1030 (XIO) BLOCK NUMBER MISMATCH IN READ 0********* DUMP OF XIO PARAMETERS Does anyone know what could be causing this. Thanks

I put in the card - PARAM,NOCOMPS=-1 to a working deck and got the
0*** SYSTEM FATAL MESSAGE 1030 (XIO)
BLOCK NUMBER MISMATCH IN READ
0********* DUMP OF XIO PARAMETERS

Does anyone know what could be causing this.
Thanks