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Warning: Trying to access array offset on null in /home/users/alex/www/naturpark-rhein-taunus/api/events/tts/main.php on line 32

Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /home/users/alex/www/naturpark-rhein-taunus/api/events/tts/main.php:178 Stack trace: #0 /home/users/alex/www/naturpark-rhein-taunus/api/events/tts/main.php(178): in_array() #1 {main} thrown in /home/users/alex/www/naturpark-rhein-taunus/api/events/tts/main.php on line 178