Receiving when shutting down TSS:
TSS7250E 136 J=TSS16 A=*MISSING TYPE=CASECAUT RESOURCE=TSSCMD.ADMIN.MODIFY
TSS7251E Access Denied to CASECAUT <TSSCMD.ADMIN.MODIFY>
Release : 16.0
Component : CA Top Secret for z/OS
*MISSING means no user was signed on to the console when TSS was being shutdown from the console.