Informix Error -7205

-7205 DBNLS is not set or LC_CTYPE must be set to category-value.

You might receive this message when you try to access an external database that has a different locale than the current database. In order to access this NLS database, you must set the DBNLS environment variable to 1 or 2 and the LC_CTYPE environment variable to the specified category-value.