Explanation
This message is the first in a group of messages
issued by VTAM® exit services
when an error has been detected while processing a request from a
user-written exit. A complete description of the message group follows.
IST1455I ERROR DETECTED BY EXIT SERVICES FOR exitname IN modulename
IST1456I FUNCTION function - REASON: reason
IST314I END
IST1455I - exitname is the CSECT name of the exit.
- modulename is the name of the load module
that contains exitname.
IST1456I - function is the function being performed by VTAM exit services and can be one
of the following:
- *UNKNOWN
- The function requested could not be determined.
- MESSAGE
- The exit exitname requested the message function.
- reason is the reason for the error and can
be one of the following:
- EXSPL POINTER IS ZERO
- The pointer to the EXSPL (passed by the exit in register 1) is
zero.
- INPUT PARMLIST POINTER IS ZERO
- The pointer to the input parameter list in the EXSPL is zero.
- MESSAGE LENGTH IS NOT VALID
- The message text length specified in the EXMPL is not valid. Message
text length must be greater than 0 and less than or equal to 4096
(decimal).
- MESSAGE TEXT POINTER IS ZERO
- The pointer to the message text in the EXMPL is zero.
- REQUESTED FUNCTION IS NOT VALID
- The function code specified in the EXSPL is not defined to (nor
supported by) the current level of VTAM exit
services.
- VTAM MESSAGE MACRO FAILED
- The macro used by VTAM to
send a message to the system console returned a nonzero return code
to exit services.
System action
Operator response
Save the system log for problem determination.
System programmer response
Routing code
Descriptor code