InvalidArgumentException [500]

Invalid controller class: weblink
.../libraries/src/Dispatcher/ComponentDispatcher.php:174
169             $this->input
170         );
171 
172         // Check if the controller could be created
173         if (!$controller) {
174             throw new \InvalidArgumentException(Text::sprintf('JLIB_APPLICATION_ERROR_INVALID_CONTROLLER_CLASS', $name));
175         }
176 
177         return $controller;
178     }
179 }