DMS2563T RTNLOAD failed for VMMTLIB

Explanation
CMS could not load the VMMTLIB CSL library during initialization.
Initialization could not complete.

System action
The initialization procedure is stopped.
A disabled wait PSW is loaded.

System programmer response
Ensure VMMTLIB CSLSEG exists on the S-disk, or the logical
segment VMMTSEG containing VMMTLIB CSLSEG is available.

User response
None.