AMB117I

Explanation
A list service aid encountered a directory block
that was not 256 bytes long.

System action
The operation ends; processing continues with
the next control statement.

System programmer response
Examine the DD statement for the data
set currently being processed and make certain that a member name
was not specified in the DD statement.  If one was, correct the DD
statement and resubmit the job.

Source
List service aids

Module
HMBLKCTL

Routing code
Note 11

Descriptor code
-