SNA stack component was not loaded or was terminated, APPC return code primary RC
A required SNA stack component could not be loaded or was terminated while processing an APPC call. On Windows this error could indicate that the IBM CICS® Transaction Gateway service does not have the required Windows domain logon authority to communicate with the Communications Server.
IBM CICS Transaction Gateway continues but SNA connections are not available.
Refer to the documentation for your Communications Server for possible causes of this error. If the problem persists, contact your service organization.