TCAS assigned an invalid application program ID to a terminal user attempting to log on to TSO/VTAM.
The terminal user’s address space is terminated and dumped. System processing continues.
Save the system log for problem determination.
Find the invalid application ID (offset 0 in TVWA) in that dump. SYS1.VTAMLST contains valid application IDs.
See the z/OS Communications Server: SNA Diagnosis Vol 1, Techniques and Procedures for more information on TSO/VTAM logon problems.
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