Cannot map index of nominal attribute to nominal value

Mo1

Hi, 

while preprocessing a Textmining operation i got the following problem : 



could someone please help me? 

fyi: 
i didn´t set up the process. Actually it is a University-course and the Professor gave us the processes. 

mmichel

Dear Mo1,

 

please avoid crosspostings. The discussion should continue here: http://community.rapidminer.com/t5/RapidMiner-Studio/Cannot-map-index-of-nominal-attribute-to-nominal-value/m-p/34326#U34326

Mo1

these are the the connected processes

mmichel

Dear Mo1,

 

please avoid crosspostings. The discussion should continue here: http://community.rapidminer.com/t5/RapidMiner-Studio/Cannot-map-index-of-nominal-attribute-to-nominal-value/m-p/34326#U34326