Warning (2) : Undefined array key "dateStart" [in /home/exas-dev/htdocs/dev.exas.gr/plugins/BookingEngine/src/Traits/NormalizeTrait.php, line 1046]
Warning (512) : Unable to emit headers. Headers sent in file=/home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php line=37 [in /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 71]
Warning (2) : Cannot modify header information - headers already sent by (output started at /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:37) [in /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 164]
Warning (2) : Cannot modify header information - headers already sent by (output started at /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:37) [in /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 197]
Warning (2) : Cannot modify header information - headers already sent by (output started at /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:37) [in /home/exas-dev/htdocs/dev.exas.gr/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 197]
Error: DateTime::__construct(): Argument #1 ($datetime) must be of type string, null given

DateTime::__construct(): Argument #1 ($datetime) must be of type string, null given 📋

TypeError
Error in: ROOT/plugins/BookingEngine/src/Traits/NormalizeTrait.php, line 1046
ROOT/plugins/BookingEngine/src/Traits/NormalizeTrait.php at line 1046 (edit)
      $excursion['description'] = base64_decode($excursion['description']);
      $excursion['shortDescription'] = base64_decode($excursion['shortDescription']);
      $excursion['image'] = $imagesUrl $excursion['image'];
      $excursion['smallImage'] = $imagesUrl $excursion['smallImage'];
      $excursion['operatedFrom'] = (new DateTime($excursion['dateStart']))->format('d/m');
      $excursion['operatedTo'] = (new DateTime($excursion['dateEnd']))->format('d/m');
      $data[] = $excursion;
    }

If you want to customize this error message, create templates/Error/error500.php