{
    "jsonrpc": "2.0",
    "method": "graph.get",
    "params": {
      "output": "extend",
      "graphids": [null]
    },
    "id": 1
} 

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32500,
    "message": "Application error.",
    "data": "Database error occurred.",
    "debug": [
      {
        "file": "/usr/share/zabbix/include/classes/core/CJsonRpc.php",
        "line": 92,
        "function": "callMethod",
        "class": "CLocalApiClient",
        "type": "->"
      },
      {
        "file": "/usr/share/zabbix/api_jsonrpc.php",
        "line": 58,
        "function": "execute",
        "class": "CJsonRpc",
        "type": "->"
      }
    ]
  },
  "id": 1
} 

zabbix-web-test-1  | [29-Apr-2025 13:22:41] WARNING: [pool zabbix] child 943 said into stderr: "[29-Apr-2025 15:22:41 Europe/Berlin] PHP Warning:  array_flip(): Can only flip string and integer values, entry skipped in /usr/share/zabbix/include/db.inc.php on line 496"
zabbix-web-test-1  | [29-Apr-2025 13:22:41] WARNING: [pool zabbix] child 943 said into stderr: "[29-Apr-2025 15:22:41 Europe/Berlin] PHP Warning:  Error in query [SELECT g.* FROM graphs g WHERE  AND g.flags IN (0,4)] [You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AND g.flags IN (0,4)' at line 1] in /usr/share/zabbix/include/db.inc.php on line 200"