| DuplicateKeyException | This exception is thrown whenever the key of an array is not unique. This can only be the case if the configuration is coming from an XML file. |
| Exception | Base exception for all configuration exceptions. |
| ForbiddenOverwriteException | This exception is thrown when a configuration path is overwritten from a subsequent configuration file, but the entry node specifically forbids this. |
| InvalidConfigurationException | A very general exception which can be thrown whenever non of the more specific exceptions is suitable. |
| InvalidDefinitionException | Thrown when an error is detected in a node Definition. |
| InvalidTypeException | This exception is thrown if an invalid type is encountered. |
| TreeWithoutRootNodeException | |
| UnsetKeyException | This exception is usually not encountered by the end-user, but only used internally to signal the parent scope to unset a key. |
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
https://api.symfony.com/4.1/Symfony/Component/Config/Definition/Exception.html