CASSI1701S Failed to allocate server Comms Buffer, reason = return-code

A problem occurred allocating memory for the server communications buffer used for peer to peer data flows.
System Action:
Function shipping, transaction routing, and APPC operations will cause the server to terminate abnormally. The system will continue to operate if these functions are avoided.
Resolution:
Research and resolve the problem associated with memory allocation indicated by the reason code.
Module:
dfheini1
Destination:
Console and standard error