|   RFUNCT |   Virtual Machine |  | 
PROIV automatically links to the function specified in the system variable @RFUNCT when an automatic rollback occurs as a result of a runtime error. Initially, the @RFUNCT variable is set for a link function of the same name. This @RFUNCT function is supplied with PROIV and causes a window to display showing diagnostic information that is stored in a number of system variables as follows:
Diagnostic Information Available to @RFUNCT
| Variable | Type | Description | 
| @MSG | N3 | PROIV error message number. | 
| @MSGTEXT | A80 | Error message text,excluding any variable components. | 
| @MSGARGS | A80 | Error message arguments, the variable components. | 
| @SYSERR | A20 | System-specific error code. | 
| @SYSERRTEXT | A250 | System-specific error text,if available. | 
Topic ID: 720003