CASSI1014W No CA root file provided to validate client certificates for TCPIPSERVICE TCPIPSERVICE name. Server certificate is Certificate name

The TCPIPSERVICE is using a server certificate, but either the user exit ESCERTPAS could not be found or the user exit did not return a CA root file.
Resolution:
Check your configuration and ensure that the user exit ESCERTPAS is found and returns a correct CA root for any clients that may use this TCPIPSERVICE.
Module:
casmgr/dfhzcins
Destination:
Console and standard error.