CASSI1010W Error environment variable ES_CERTIFICATES_LOCATION not set or pointing to an invalid location

An error occurred because either the environment variable is not set is pointing to an invalid location.
System Action:
SSL listener will not be started.
Resolution:
Check that the environment variable is valid and points to the location of your server certificates.
Module:
casmgr/dfhzcins
Destination:
Console and standard error.