DFS3485I `jobname` WAITING FOR DATASET `data set name`

Explanation
 The data set indicated by the message was already
in use by another task. It has caused the indicated job to wait for
the release of the data set.

System action
 The indicated job waits until the data set becomes
available.

Operator response
 No action is required.
When the data set becomes available,
the indicated job will run.