The text of the error message associated with a Starlink facility status value, STATUS, is assigned to the named message token. If the token is already defined, the message is appended to the existing token value.

CALL ERR_FACER( TOKEN, STATUS )

TOKEN = CHARACTER $\ast$ ( $\ast$ ) (Given)

STATUS = INTEGER (Given)

The messages generated using this facility may differ slightly depending on the computer system upon which the library is implemented.