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Scanner.php

@@ -119,7 +119,11 @@ class Scanner extends Component
                         if (!class_exists($attribute->getName())) {
                             continue;
                         }
-                        $attribute->newInstance()->dispatch($class, $method->getName());
+                        $instance = $attribute->newInstance();
+                        if (!method_exists($instance, 'dispatch')) {
+                            continue;
+                        }
+                        $instance->dispatch($class, $method->getName());
                     }
                 }
             }