CASSI1415E Error loading dfheini1

An error occurred loading dfheini1. Either the module dfheini1.gnt is not in $TXDIR/lib or the environment variable TXDIR is not properly set.
System Action:
Client initialization is terminated.
Resolution:
Correct TXDIR or the location of dfheini1.gnt and retry.
Module:
dfheserv
Destination:
Standard out