KLECF012 UNABLE TO OPEN ACB: APPLID(applid) REASON(reason)
Explanation
An error occurred while attempting to open an ACB for applid. reason is the reason code returned from open.
System action
The ACB is not opened.
User response
The REASON field contains the return code from the OPEN macro instruction. Refer to IBM® z/OS® Communication Server: SNA Programming to determine the cause of the error.
Severity
ERROR