Version 4.7.23

applications/core/modules/admin/settings/dataLayer.php

@@ -354,6 +354,22 @@ class _dataLayer extends \IPS\Dispatcher\Controller
 
 		if ( $property['custom'] ?? 0 )
 		{
+			$defaults = [
+				'pii' => false,
+				'value' => null,
+				'page_level' => true,
+				'short' => "",
+				'description' => "",
+				'event_keys' => []
+			];
+
+			foreach ( $defaults as $key => $value )
+			{
+				if ( !array_key_exists( $key, $property ) )
+				{
+					$property[$key] = $value;
+				}
+			}
 			$form->add( new \IPS\Helpers\Form\Text( 'datalayer_property_value', $property['value'], true ) );
 			$form->add( new \IPS\Helpers\Form\YesNo( 'datalayer_property_page_level', $property['page_level'], true ) );
 			$form->add( new \IPS\Helpers\Form\Text( 'datalayer_property_short', $property['short'], false, array( 'maxLength' => 50 ) ) );