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[GH-ISSUE #1695] [BUG]: LanceDBError: No vector column found to create index #1108

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opened 2026-02-22 18:23:09 -05:00 by yindo · 1 comment
yindo commented 2026-02-22 18:23:09 -05:00
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Originally created by @crypto-maniac on GitHub (Jun 17, 2024).
Original GitHub issue: https://github.com/Mintplex-Labs/anything-llm/issues/1695

How are you running AnythingLLM?

AnythingLLM desktop app

What happened?

Hello, i have installed AnythingLLM Destop app for my macbook pro montery, after download the LLama 2,3 etc,,
i have created a workspace and was able to chat (its low speed on my mac) but when i add a document and send them to the workspace, i try to chat again to talk about my document and i got the error

LanceDBError: No vector column found to create index

thanks you very much for the help

Are there known steps to reproduce?

No response

Originally created by @crypto-maniac on GitHub (Jun 17, 2024). Original GitHub issue: https://github.com/Mintplex-Labs/anything-llm/issues/1695 ### How are you running AnythingLLM? AnythingLLM desktop app ### What happened? Hello, i have installed AnythingLLM Destop app for my macbook pro montery, after download the LLama 2,3 etc,, i have created a workspace and was able to chat (its low speed on my mac) but when i add a document and send them to the workspace, i try to chat again to talk about my document and i got the error LanceDBError: No vector column found to create index thanks you very much for the help ### Are there known steps to reproduce? _No response_
yindo added the possible bug label 2026-02-22 18:23:09 -05:00
yindo closed this issue 2026-02-22 18:23:09 -05:00
yindo commented 2026-02-22 18:23:09 -05:00
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@timothycarambat commented on GitHub (Jun 17, 2024):

This error occurs when you have changed the embedder model after previously upload a document to a workspace that was embedder with some previous model.

In either case, Open the workspace's settings and go to "Vector Database" and click "reset vector database" and you should be able to both embed documents and send responses.

This issues occurs when you change the embedder because your embedded prompt dimensions and the vector database vector column have different dimensions.

@timothycarambat commented on GitHub (Jun 17, 2024): This error occurs when you have changed the embedder model after previously upload a document to a workspace that was embedder with some previous model. In either case, Open the workspace's settings and go to "Vector Database" and click "reset vector database" and you should be able to both embed documents and send responses. This issues occurs when you change the embedder because your embedded prompt dimensions and the vector database vector column have different dimensions.
yindo changed title from [BUG]: LanceDBError: No vector column found to create index to [GH-ISSUE #1695] [BUG]: LanceDBError: No vector column found to create index 2026-06-05 14:39:01 -04:00
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Reference: Mintplex-Labs/anything-llm#1108
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