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2630

CANNOT OPEN MODEL DSCB FOR I/O PROCESSING, DATA SET HAS NO EXTENTS

Reason:

The data set being used as a target data set has no extents allocated to it. CADisk assumes it is a model DSCB. No data can be written to it. This message is printed when a data set has zeros as the high and low cchhr addresses for the first extent of the data set in the format-1 DSCB. Preallocate a data set that has valid extents and rerun the CADisk function.