Hi, I am currently working on the lab “Exploring LLM Capabilities” (C1M4_Ungraded_Lab_1) in the Retrieval Augmented Generation course. When I run the notebook cells without modifying anything, I receive an error when the notebook attempts to call the LLM. The error occurs when the functions that …

Hi! This issue has now been fixed. Please close and open the lab to update it to the latest version. Cheers, Lucas

When did you last “restore the original version” of this lab? Because most of the RAG assignments were updated a few days ago to fix a number of issues.

hi @Dhruv_06 This error has been reported to staff, kindly wait for their response.

hi @Dhruv_06 Recent staff update together.ai has deprecated a lot of models in the past days resulting in concurrent issues with labs of RAG courses. Lab assignment 3 to 5 and all ungraded labs are updated now. You need to click on :red_question_mark:, Reboot and Get the latest version to work o…

Thank you ,know its working properly

Hi @Deepti_Prasad Unfortunately, I still see this issue even after rebooting and updating the lab to the latest version several times. My Lab ID: ewzdustyrila. [Screenshot 2026-03-15 191820]

please do the following first clear your cache and browsing history. re-login, open the notebook.. click file and open, delete the notebook. Click l:red_question_mark:, click First reboot, then click get the latest version. let me know if you still encounter the same error. Also remember, the…

@Mikhail_Melnik the error you encountered is from which lab assignment number? kindly mention this, as posting on older topic can create confusion for staff to look upon the issue where it has raised. is this lab 5 graded assignment??

Thank you for your reply, @Deepti_Prasad ! Unfortunately, still couldn’t make it work. Even after trying all the steps you described in a different browser with clean cache. It looks like restored notebook version comes from 6 days ago (according to its timestamp) and it is still referencing the mod…

Thank you, Lucas! Everything is working fine now! :folded_hands:

Error calling LLM in "Exploring LLM Capabilities" lab – model meta-llama/Llama-3.2-3B-Instruct-Turbo not available

Course Q&A Retrieval Augmented Generation

Deepti_Prasad March 15, 2026, 7:14pm 10

hi @Mikhail_Melnik

then looks like it is recurring new exception error similar lab 5 assignment which one of the learner experienced and when I checked even I experienced.

Unfortunately this part of issue only staff can resolve, so we will have to wait for @lucas.coutinho to look upon this tomorrow when weekday starts in his timeline.

Regards
Dr. Deepti

Topic		Replies	Views
Retrieval Augmented Generation M4 & M5 - InvalidRequestError in the graded Labs Retrieval Augmented Generation week-module-4 , week-module-5 , coursera-platform	18	111	March 18, 2026
C1M5 Error code: 400 - {"message": "Unable to access non-serverless model meta-llama/Llama-3.2-3B-Instruct-Turbo Retrieval Augmented Generation week-module-5 , dl-ai-learning-platform	16	174	March 17, 2026
C1M3_Ungraded_Lab_2 cell[31] InvalidRequestError: Error code: 400 Retrieval Augmented Generation week-module-3 , dl-ai-learning-platform	2	86	March 17, 2026
Issue with graded assignment in RAG M5 module Retrieval Augmented Generation week-module-5 , dl-ai-learning-platform	5	76	March 17, 2026
Unexpected Error executing Graded Assignment - RAG Retrieval Augmented Generation week-module-4 , dl-ai-learning-platform	16	116	March 12, 2026

Error calling LLM in "Exploring LLM Capabilities" lab – model meta-llama/Llama-3.2-3B-Instruct-Turbo not available

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