Job Arranger for Zabbix

いつもお世話になっております。
15分周期で実行しているジョブが、たまにジョブが実行されずに実行中のままになる事象が1年で5回ほど発生しています。
jobarg_server.logを確認すると「In ja_set_runerr() job execution error」が出力されています。

まことに恐れ入りますが、原因や対策についてご教示いただきますようお願い申し上げます。

■環境
　・JobArrangerServer：RedHat Enterprise Linux 8.4 SE / jobarranger-server-postgresqlx86_64 10.15-1.module+el8.3.0+8944+1cal6b1f
　・JobArrangerAgent：Windows Server 2019 Datacenter / Job Arranger Agent 5.0.0

■ログ内容
jobnet_id、user_nameはマスクしています。

jobarg_server.log
　1514:20250823:100133.449 [INFO] [JAJOBNETRUN000001] In ja_set_runerr() job execution error. inner_job_id: 966381 status is RUNERR jobnet_id: <JOBNET_ID>, job_id: <JOBNET_ID>/JOB-2, user_name: <USER_NAME>, job_exit_cd: -1, icon_status: 2

jobarg_agentd.log
3144:20250823:090010.859 [INFO] jadbbackup CONFIG_BACKUP_TIME START BACKUP
3144:20250823:090010.885 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963387
3144:20250823:090010.891 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963389
3144:20250823:090010.895 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963395
3144:20250823:090010.899 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963426
3144:20250823:090010.903 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963595
3144:20250823:090010.904 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963597
3144:20250823:090010.906 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 963603
3144:20250823:090010.908 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 964155
3144:20250823:090010.909 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 964157
3144:20250823:090010.911 [INFO] In ja_jobmain_remove_oldjob() delete jobid = 964163
3144:20250823:090014.939 [INFO] SQLITE VACUUM is completed
3080:20250823:120024.271 [INFO] In ja_agent_begin() jobid: 966470, method: 0
3080:20250823:120024.275 [WARN] In ja_jobdb_get_status() can not find jobid: 966470
3080:20250823:120024.281 [INFO] In ja_jobdb_insert() jobid: 966470 is created
3080:20250823:120024.294 [INFO] jobid: 966470, method: 0 is begin
4092:20250823:120024.699 [INFO] In ja_job_object_list_executive () jobid: 966470, type: command, status: BEGIN
4092:20250823:120024.702 [INFO] jobid: 966470, status: 0
4092:20250823:120109.483 [INFO] In ja_job_object_list_executive() jobid: 966470, status: END
4092:20250823:120109.487 [INFO] In ja_agent_close() jobid: 966470, status: 2
4092:20250823:120109.565 [INFO] In ja_job_object_list_executive() jobid: 966470, status: CLOSE