Error "mappingType" Import Wizard


I try to import a .csv with the Import Wizard, but never processed anything.

When I check catalina.out appears the next error:

mappingType: may not be null, provided value: 'null’

What’s the action that generates this error?


Any help to me?

It is impossible to suggest anything with information you’ve provided.

Can you please provide: small sample project where problem is reproduced, example of the file you were trying to import, and full exception stack trace?
Which CUBA (platform, not Studio) version you are using?
Which data-import add-on version you are using?

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