The user’s account should have been set up correctly to access the Sybase RDBMS system. This includes environment variables such as SYBASE and DSQUERY. See your Sybase documentation for more details.
In addition to setting the variables required for Sybase, you will need to do the following:
SET ENVIRONMENT "A_SYB_PASSWD" TO user-entry
You may want to make and use a personalized copy of the configuration file to avoid impacting other users. The ACUCOBOL-GT User’s Guide describes how to use the A_CONFIG environment variable, or the “-c” runtime option, to identify a personal configuration file.