IEB173I
ddname -- INVALID BLOCK SIZE

Explanation

An incorrect block size associated with the indicated data set DD statement was detected. This is probably the SYSPRINT data set.

In the message text:
ddname
The DDNAME.

System action

This data set cannot be used. If this is the SYSPRINT data set then only I/O error messages and an end-of-job message are issued, and they are directed to the system console.

System programmer response

Check the DD statement for incorrect DCB information, such as block size. If the error recurs and the program is not in error, look at the messages in the job log for more information. search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center. Provide the JCL and all printed output and output data sets related to the problem.

Programmer response

Use the IEHLIST utility to investigate the output data sets and verify the ending status of each operation performed.

Source

Data Facility Product (DFP)

Routing code

Note 11

Descriptor code

-