UnexpectedStatusCodeError: Collection may not have been created properly.! Unexpected status code: 422, with response body: {‘error’: [{‘message’: ‘vectorizer: no module with name “text2vec-ollama” present’}]}.
hi @Dima_Nagorny !!
Welcome to our community 
!
Are you running Weaviate locally, for example, using docker, or running the quick start in our cloud?
This error message will surfaced because text2vec-ollama doesn’t seem installed on that server.
How have you deployed Weaviate?
Check here on information on how to activate a module in Weaviate:
Thanks!