A fix is available
APAR status
Closed as program error.
Error description
Fix 0C4 ABEND in CYGSTC and CYGMAIN
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM z/OS Change Tracker. * **************************************************************** * PROBLEM DESCRIPTION: 1. S0C4 in STC with email notifications * * on. * * 2. CYG843E Invalid event detected for * * resource. * * 3. Member version comparison in the * * plug-in is broken. * * 4. S0C4 IN CYGCOMM when UNPROTECTING a * * non-existent resource. * * 5. Change Tracker Health Checker * * routines do not run when using the * * REXX Alternate library. * * 6. Serialization of Control file * * segmented records is not working * **************************************************************** * RECOMMENDATION: Apply the provided PTF. * **************************************************************** 1. The STC gets a S0C4 abend when attempting to send an email notification of a member update. 2. The STC issues a CYG843E Invalid event detected message when a user does many renames, updates and adds to different members in a short space of time. 3. zOSMF plug-in member version comparisons do not complete but no error messages are produced. 4. A S0C4 abend occurs in module CYGCOMM when using the ARCHIVERESOURCE command. 5. The Change Tracker Health Checker REXX routines fail with AXREXX SERVICE RETURN CODE: 0000000C REASON CODE: 05030C08 when the REXX Alternate library is used. 6. The serialization of segmented records in the VSAM Control.
Problem conclusion
1. The abending routine is fixed to ensure that there is no attempt to used released storage. 2. The STC is fixed to ensure correct handling of update and rename events. 3. The zOSMF plug-in is fixed to ensure that correct temporary data set names are produced. 4. The abending routine is fixed to correctly handle a no-events situation. 5. The Change Tracker Health Checker REXX routines have been rebuilt to work with the REXX Alternate library. 6. Serialization of segmented records in the VSAM Control file is fixed to ensure completeness in all situations.
Temporary fix
Comments
APAR Information
APAR number
PH71072
Reported component name
Z/OS CHANGE TRA
Reported component ID
5752SCCYG
Reported release
100
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-04-28
Closed date
2026-05-27
Last modified date
2026-07-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO08021
Modules/Macros
CYGCOMM CYGHZS01 CYGHZS02 CYGHZS03 CYGHZS04 CYGHZS05 CYGHZS06 CYGICEST CYGMAIN CYGMEML CYGMIGR CYGMLPST CYGMOD CYGMSGS CYGPCRAC CYGPDSDR CYGPODR CYGPURGE CYGPX002 CYGQAUDT CYGQCMDS CYGQCTRK CYGQDR CYGQGLOB CYGQOMVS CYGQOPTD CYGQRCOV CYGQSUPC CYGRCOVA CYGRCOVC CYGRVTOC CYGSETUP CYGSH002 CYGSNAP CYGSTC CYGSYSI CYGSYSIO CYGSYSO CYGTKEXT CYGTKREF CYGTOKEN CYGTRACE
Fix information
Fixed component name
Z/OS CHANGE TRA
Fixed component ID
5752SCCYG
Applicable component levels
R100 PSY UO08021
UP26/06/13 P F606
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SG19M"},"Platform":[{"code":"PF054","label":"z Systems"}],"Version":"100"}]
Document Information
Modified date:
02 July 2026