Here is the error :
Python Exception <TypeError>: 'NoneType' object is not iterable
Error encountered while calling function `removeDiacritics'
StringDiacriticRemover_3_PythonCaller_2 (PythonFactory): PythonFactory failed to process feature
StringDiacriticRemover_3_PythonCaller_2 (PythonFactory): A fatal error has occurred. Check the logfile above for details
A fatal error has occurred. Check the logfile above for details
FeatureJoiner (FeatureJoinerFactory): A fatal error has occurred. Check the logfile above for details
FeatureJoiner (FeatureJoinerFactory): A fatal error has occurred. Check the logfile above for details
A fatal error has occurred. Check the logfile above for details




These are 2 transformers from which I am trying to get the output
You need to map missing attributes to null, your settings are mapping null attributes to missing. Note that you need to use Selected Attributes for this, not all Attributes