Why would job QCMNARB01 delete another LPAR's device description

Why would job QCMNARB01 delete another LPAR's device description
This occurred on multiple LPARS

V7R4 and V7R3

All sessions ended for device PENCOR06.
Vary off completed for device PENCOR06.
Description for device PENCOR06 deleted.

Message ID . . . . . . : CPC2602 Severity . . . . . . . : 00
Message type . . . . . : Completion
Date sent . . . . . . : 04/14/21 Time sent . . . . . . : 08:18:59

Message . . . . : Description for device PENCOR06 deleted.

Message ID . . . . . . : CPC2602 Severity . . . . . . . : 00
Date sent . . . . . . : 04/14/21 Time sent . . . . . . : 08:18:59
Message type . . . . . : Completion

From . . . . . . . . . : QSYS CCSID . . . . . . . . : 65535

From job . . . . . . . . . . . : QCMNARB01

User . . . . . . . . . . . . : QSYS
Number . . . . . . . . . . . : 113567

From program . . . . . . . . . : QDCDLDD

Time sent . . . . . . . . . . : 08:18:59.129278
Time zone abbreviated name . : EDT[Less]

Thank You
_____
Paul Steinmetz
IBM I Power9 Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 Work
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