# OpenAI's text-embedding-ada-002 error "Embedding dimensions"

**URL:** <https://meta.discourse.org/t/openais-text-embedding-ada-002-error-embedding-dimensions/348244>\
**Category:** Bug\
**Tags:** embedding, ai\
**Created:** [January 21, 2025, 7:39pm UTC](https://meta.discourse.org/t/openais-text-embedding-ada-002-error-embedding-dimensions/348244 "2025-01-21T19:39:54Z")\
**Posts on this page:** 1\
**Showing post:** 1

<div class="post-metadata">

**Author:** ![kuaza](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/kuaza/32/264151_2.png) [@kuaza](https://meta.discourse.org/u/kuaza)\
**Post date:** [January 21, 2025, 7:39pm UTC](https://meta.discourse.org/t/openais-text-embedding-ada-002-error-embedding-dimensions/348244/1 "2025-01-21T19:39:54Z")

</div>

Now, in the work I have done, the test does not work while installing, but it can be saved. After saving, when I selected this module "“text-embedding-ada-002"” from the settings, I saw that it works on the site. However, I am not sure if it adds new topics. This code gives an error “rake ai:embeddings:backfill”:

```plaintext
rake aborted!
NameError: uninitialized constant DiscourseAi::Embeddings::VectorRepresentations (NameError)

    vector_rep = DiscourseAi::Embeddings::VectorRepresentations::Base.current_representation
                                        ^^^^^^^^^^^^^^^^^^^^^^^
/var/www/discourse/plugins/discourse-ai/lib/tasks/modules/embeddings/database.rake:14:in `block in <main>'

```

**While editing topics, AI gives an error while finding categories and tags. But the title generator works.**

* * *

Hello, thanks for the update and correction work. I am trying to configure the embed module. Please note that after the update, some of the topics could not be accessed (new topics), I think it was because the embed feature was not installed. I am trying to install “text-embedding-ada-002”, which I used in the previous settings, but the “Embedding dimensions” setting is causing problems. If I leave it blank, the test passes, but it does not save because it is blank. If I enter a number, it gives the error message below. For now, I installed “OpenAI’s text-embedding-3-large”, the test passed, I think it may take some time to work on the topics, but I do not know what the difference is from the “text-embedding-ada-002” structure.

 ![image](https://global.discourse-cdn.com/meta/original/4X/f/2/f/f2fce90a4c21cf7be3b5bc64dd17910dcee26fa8.png)

If I delete that part (Embedding dimensions), the test runs but does not save because it warns me that that area should not be empty.

 ![image](https://global.discourse-cdn.com/meta/original/4X/1/7/d/17d447ded8c80f8098ca13d64ce70dc2bfefa136.png)

If we want to save it, it gives this error: An error occurred: Dimensions cannot be empty

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