The environment variable LD_PRELOAD is not set
When IBM Communications Server is installed and the SNA protocol is being used to connect to CICS® you are required to set LD_PRELOAD. When the Remote API Client is installed LD_PRELOAD is not required. For security reasons LD_ variables are not inherited by the root user.
This warning message is written to the Client daemon error log.
If using the Remote API Client no action is necessary. If using IBM Communications Server, refer to the SNA configuration documentation for the SNA transport product and the IBM Communications Server for Linux configuring section in the CICS Transaction Gateway Information Center. A number of environment variables must be correctly defined for the correct operation of SNA protocol driver. Stop the Client daemon, make sure the named variable is correctly defined in the environment where the Client daemon will run, and then retry.