protected void invalid() throws InvalidDataTypeException {
		throw new InvalidDataTypeException(getDefaultInvalidMessage());
	}
Throws an InvalidDataTypeException with a default message that indicates the data type 
and address where it is invalid.

@throws InvalidDataTypeException which has the message
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/AbstractCreateDataTypeModel.java