DFS425I INVALID SPOOL DATASET FORMAT.

Explanation
Either a noninitialized spool data set, a nonspool data set with the SPOOLnnn
ddname format, or an online system failure while writing a status record caused
the print utility program to reject printing of a spool data set.

Programmer response
Reinitialization of the IMS online control system using this data set should be
accomplished prior to submitting the print program for further execution.

Module
DFSUPRT0