CASMQ1011E Unexpected error while connecting to queue manager queue-manager-name in IMS Trigger Monitor, status: status-code

The IMS Trigger Monitor received an error trying to connect to the Queue Manager.
System Action:
The IMS Trigger Monitor is terminated.
Resolution:
Ensure that the Queue Manager in the Trigger Monitor startup JCL is correct.
Module:
csq4trmn
Destination:
Console
Parent topic: CASMQ1010 - CASMQ1019