Namespace

Symfony\Component\Form\Exception

AlreadyBoundException
CircularReferenceException
CreationException Thrown when a form could not be constructed by a FormFactory
DanglingFieldException Thrown when a field is expected to be added to a form but is not
FieldDefinitionException
InvalidConfigurationException
InvalidOptionsException
InvalidPropertyException
InvalidPropertyPathException
MissingOptionsException
NotInitializedException
NotValidException
PropertyAccessDeniedException
TransformationFailedException Indicates a value transformation error.
TypeDefinitionException Thrown when a form type is configured incorrectly
TypeLoaderException

Exceptions

FormException
UnexpectedTypeException