DFSD015E CHKPTID must be 12 characters long

yyddd/hhmmss

Explanation
 On the Create RDDS from log records panel, you
specified a invalid value for CHKPTID. The value specified for this
field must exactly match the checkpoint value used in IMS log records. It must be 12 characters long
with this format yyddd/hhmmss where: yyddd represents
the Julian date and hhmmss represents the time. The / is
required.
All of the characters used for the date and time must
be numeric. 

System action
 ISPF panel processing awaits correction of the
error.

System programmer response
 Ensure that you use the correct syntax
for CHKPTID.

Module
REXX program DFSRRDD1