CASCS1105S TX CCI gateway failed to initialize, reason = reason-code

The TX CCI gateway failed to initialize successfully . The reason-code is generally from the CCI protocol module. reason-code of 998 says the CCI protocol module could not be loaded. reason-code of 999 says the CCI protocol module signature was bad.
System Action:
Process terminates.
Resolution:
Check that the CCITCP2 process is running on the machine specified in the SIT. Check that the specified CCI protocol stack is available. Check that the RTS is built properly. For TN3270, check that the specified or default port is available and that the TX process has the permissions required to access it.
Module:
dfhtcci
Destination:
Console