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.
Base exception for all configuration exceptions
This exception is thrown when a configuration path is overwritten from a subsequent configuration file, but the entry node specifically forbids this.
A very general exception which can be thrown whenever non of the more specific exceptions is suitable.
Thrown when an error is detected in a node Definition.
This exception is thrown if an invalid type is encountered.
This exception is usually not encountered by the end-user, but only used internally to signal the parent scope to unset a key.