2385560 - Recurring stack trace in repserver log file, including errors 11061 & 1028 - SRS

The repserver is having performance issues, and the following is seen in the repserver log:

ERROR #14023 REP AGENT(SERVER.DB) - neric/exec/execint.c(7206)
SQM had an error writing to the inbound-queue.

ERROR #60031 SQT(148:1 DIST SERVER.DB) - generic/sqm/sqmext.c(12580)
Sync element NULL does not exist in the dynamic element list. (2155)eneric/useful/sync.c.

ERROR #60036 SQT(148:1 DIST SERVER.DB) - generic/sqm/sqmext.c(12590)
Failed to acquire lock on sync element 'UNKNOWN'. Info 21.

INTERNAL ERROR #12025 SQT(148:1 DIST SERVER.DB) - eneric/exc/exchand.c(438)
Internal error. A thread did not catch an exception.

Dumping memory trace.

exc__appDumpStack ()
exc_terminate ()
exc_reraise_exception ()
sqm_drop_reader ()
_sqt_wrap ()
srv__start_function ()
_thr_slot_offset ()

Thread SQT(148:1 DIST SERVER.DB) infected with signal 6.

ERROR #1028 DSI(266 SERVER.DB) - eneric/dsi/dsioqid.c(2045)
Message from server: Message: -265, State 0, Severity 11 -- 'SQL Anywhere Error -265: Procedure 'rs_update_lastcommit' not found'.

ERROR #5046 DSI(266 SERVER.DB) - eneric/dsi/dsioqid.c(2059)
When executing the rs_get_lastcommit function in database 'SERVER.DB', received data server errors. See logged data server errors for more information.

ERROR #11061 dDELSEG( ) - generic/sts/stscol.c(2412)
Check the log for error messages from RSSD.

ERROR #1028 dDELSEG( ) - generic/sts/stscol.c(2412)
Message from server: Message: 1205, State 1, Severity 13 -- 'Your server command (family id #0, process id #88) encountered a deadlock situation. Please re-run your command.

• SAP Replication Server 15.7
• SAP Replication Server 15.6
• SAP Adaptive Server Enterprise 15.7
• SAP Adaptive Server Enterprise 16.0

KBA , BC-SYB-REP , Sybase Replication Server (standalone) , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed