The program file description specified a block size that exceeds the maximum supported block size. The OPEN statement failed.
If a file status or error declarative was specified for the file, no system action is performed. If neither a file status nor an error declarative was specified for the file, the program is terminated and message IGZ0035S is generated.
Ensure that the block size specified in the BLOCK CONTAINS clause is supported for the file, for the device that the dataset resides on and for the operating system level being used.
IGZ066