<s> class TestDataError ( Exception ) : pass <EOL> class MissingElementAmountValue ( TestDataError ) : pass <EOL> class FactoryStartedAlready ( TestDataError ) : pass <EOL> class NoSuchDatatype ( TestDataError ) : pass <EOL> class InvalidFieldType ( TestDataError ) : pass <EOL> class MissingRequiredFields ( TestDataError ) : pass <EOL> class UnmetDependentFields ( TestDataError ) : pass <EOL> class NoFactoriesProvided ( TestDataError ) : pass <EOL> class InvalidTotalPrecentage ( TestDataError ) : pass </s>
