Version 5.0.13

applications/core/sources/Achievements/Rule.php

@@ -128,12 +128,12 @@ class Rule extends Model
 	/**
 	 * Get the extension
 	 *
-	 * @return	AchievementActionAbstract
+	 * @return	AchievementActionAbstract|null
 	 */
-	public function extension(): AchievementActionAbstract
+	public function extension(): ?AchievementActionAbstract
 	{
 		$exploded = explode( '_', $this->action );
-		return Application::load( $exploded[0] )->extensions( 'core', 'AchievementAction' )[ $exploded[1] ];
+		return Application::load( $exploded[0] )->extensions( 'core', 'AchievementAction' )[ $exploded[1] ] ?? null;
 	}
 		
 	/**