COBEC1501S Unexpected PL/I nesting level encountered - contact Micro Focus SupportLine

The maximum nesting level of 30 has been exceeded.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
The curent EXEC CICS command is aborted.
Resolution:
Contact Micro Focus.
Module:
cicsecm (cicsecm)
Destination:
Source Listing