ConcurrentModificationException
class ConcurrentModificationException extends Exception
This exception is thrown whenever you change shared properties of more than one ACL of the same class type concurrently.
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/2.8/Symfony/Component/Security/Acl/Exception/ConcurrentModificationException.html
