- Affected version
 - 2.0.10
 
Most callback locations standardize the method name via 
Worse,
				
			$method = 'get' . \XF\Util\Php::camelCase($offset);  (ie entities or controllers), but approval queue does not, it uses $method = 'action' . ucfirst($action); which is unexpectedly different.Worse,
LogicException: invalid_method is thrown if the submitted HTML value for the action does not match as expected, resulting in an 500 error for user submitted data.