DFS2003 CLSDST FAILED NODE `x`.

Explanation
 IMS attempted to issue a VTAM® CLSDST
for NODE x, but was unsuccessful. The node is deactivated,
and is no longer usable.

System action
 Node x is deactivated, and
is no longer usable.

Problem determination
 Determine why the CLSDST failed. If necessary,
perform VTAM problem determination.