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    Problem report 
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    Resolution: Duplicate
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    Major 
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    None
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    7.0.0
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    None
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        S24-W38/39, S24-W40/41
Steps to reproduce:
Going to "Alerts --> Actions --> Trigger Actions" causes HTTP Error 500 and the page never load.
I can see this kind of error in the apache logs:
PHP Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, false given in /usr/share/zabbix/include/actions.inc.php:277\nStack trace:\n#0 /usr/share/zabbix/app/controllers/CControllerActionList.php(143): actionConditionValueToString()\n#1 /usr/share/zabbix/include/classes/mvc/CController.php(473): CControllerActionList->doAction()\n#2 /usr/share/zabbix/include/classes/core/ZBase.php(642): CController->run()\n#3 /usr/share/zabbix/include/classes/core/ZBase.php(228): ZBase->processRequest()\n#4 /usr/share/zabbix/include/config.inc.php(20): ZBase->run()\n#5 /usr/share/zabbix/zabbix.php(17): require_once('...')\n#6 {main}\n thrown in /usr/share/zabbix/include/actions.inc.php on line 277, referer: https://mosprozab01.byl.local/zabbix/zabbix.php?action=action.list&eventsource=4
Result:
HTTP Error 500 after press the mentioned button
Expected:
Expected to load the trigger actions webpage
- duplicates
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                    ZBX-23760 Disabled action can be enabled back with broken condition expression -         
- Closed
 
-         
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                    ZBX-25228 Issue with Trigger actions page on Zabbix 7.0.3 -         
- Closed
 
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- is duplicated by
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                    ZBX-24688 Trigger Actions HTTP Error 500 -         
- Closed
 
-         
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                    ZBX-24862 Frontend 500 http error at Trigger action list menu -         
- Closed
 
-         
- 
                    ZBX-25185 deleting a discovery rules checks item when an alert discovery rule with a custom formula references it, makes alerts discovery page fail to load -         
- Closed
 
-         
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                    ZBX-26190 Zabbix 7.2.0-HTTP 500 Internal Error for Trigger Action & Unexpected Server Error for a certain trigger action -         
- Closed
 
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