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Rapidminer (9.10) : Set Role - issues with assigning ID target roles for recommendation model

Hi

i am currently trying to build a recommendation model and the new version(9.10) of Rapidminer doesn't seem to recognise attribute roles to distinguish user & item identification. i have enclosed screenshots of my process and the exception i am getting, please assist with debugging.

Set Role Parameters:

Image: https://us.v-cdn.net/6030995/uploads/editor/nm/ec4mzbqdp4w2.png

Image: https://us.v-cdn.net/6030995/uploads/editor/fg/gjjsi6vft2kn.png

Knn Error:

Image: https://us.v-cdn.net/6030995/uploads/editor/by/ahyo94k7e60h.png

When i select "Help me solve the problem

Image: https://us.v-cdn.net/6030995/uploads/editor/b8/u73l6fvpzil2.png

when i select OK, it creates another Set Role operator and the exception still doesn't clear

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lionelderkrikor

Hi @mutheiwana_ramb,

Can you share your data and your process ?

Regards,

Lionel

faithlois

I am experiencing the same problem too, please.

jwpfau

Hi @faithlois,

please create a new post with more details.

It's most likey caused by differences in the capitalization, numbers of white spaces or spelling.

Greetings
Jonas