IKJ59034I   DATA FROM INPUT DATA SET dsname MAY BE TRUNCATED WHEN BEING WRITTEN TO TODATASET name.

The LRECL of your pre-allocated TODATASET is not large enough to hold a maximum length output record. PRINTDS processing continues, but it set a return code of 4. Check to see if your TODATASET contains all of the data from the input or do one of the following:

• Pre-allocate the TODATASET with a larger LRECL and reissue the PRINTDS command.
• Reissue the PRINTDS command specifying a new (not pre-allocated) TODATASET.
• Reissue the PRINTDS command with the COLUMNS operand to print selected columns from the input data set.