Troubleshooting Claude 4.1 Opus in Web Agent

This keeps happening to me only on Claude 4.1 Opus. I tested the same prompt on GPT5 and it works fine.

I cannot use Claude 4.1 Opus at all. I asked my colleague who also has a subscription, and all models work fine for him.

I get that response instantly. @condor

bc-4aa01f6d-3894-4db6-b8bb-9bffc067909e

hi @Battlezone before we look into the actual request details I would like to gather more clearer information what is occuring as it is not easy to reproduce.

Do you use the same Cursor version, repository and project setup as your colleagues?

Please share the Cursor version you use and how you access Background Agents.

There may be some difference in prompt if AI does not perform changes but says it is about a UI issue that was not implemented.

Are you able to share approximately how you ask AI in the prompt?

Example: AI follows wording sometimes very precise. If we ask AI to “Investigate why something is happening” it will do so without providing changes. Better alternative would be to prompt AI “There is an UI lag with rendering of widgets, find a solution and implement it.” since this instructs AI to do the change.

My apologies for not being clear enough, but I am using the web version so I am assuming it’s the latest version.

I have tried different kinds of prompts, even very simple ones such as “remove this code”.
I also tried asking the model to make a small calculator script in python in an empty fresh repository. Same issue.

It always says “No changes were made”. Then it describes what the session was supposedly about, but that no changes were made.

This only happens with 4.1 Opus.

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Same issue that I’m facing. Happens to all non-default models for me.

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Thank you, I have sent the details to our team.

Update: the problem got worse, and now all models have this issue (not just Opus 4.1).

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Could you share a Request ID for a model that was not Opus 4.1 so the team can check it for issues?

I have deleted that request, and now it seems like I can’t even select my repository anymore (I get the stop sign when I hover over “select repository” and it remains greyed out), so unfortunately I can’t provide a request id. Looks like some kind of ban.

“cursor-not-allowed”

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Can be a connection issue with GitHub. Could you check in Dashboard if you have the connection setup (in rare cases it cant connect temporarily)

Looks fine from my UI end, and the permissions are set on github

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Is there any error in the browser Developer Tools > Console?

I can’t reproduce the issue, on my side the repos are loading.

agents:1 Uncaught (in promise) NotSupportedError: Failed to load because no supported source was found.
agents:1 is deprecated. Please include
1dc5edff-773d31d3e99f3e28.js?dpl=dpl_BqdPCBEg2FpbKBBkFqWArvnpvQ78:1 [Intervention] Images loaded lazily and replaced with placeholders. Load events are deferred. See https://go.microsoft.com/fwlink/?linkid=2048113
api/background-composer/get-pull-request-merge-status:1 Failed to load resource: the server responded with a status of 500 ()
2463-6a643ba435b1b4fe.js?dpl=dpl_BqdPCBEg2FpbKBBkFqWArvnpvQ78:1 Error fetching PR merge status: Error: Failed to fetch PR merge status:
at C (2463-6a643ba435b1b4fe.js?dpl=dpl_BqdPCBEg2FpbKBBkFqWArvnpvQ78:1:65126)
C @ 2463-6a643ba435b1b4fe.js?dpl=dpl_BqdPCBEg2FpbKBBkFqWArvnpvQ78:1
api/background-composer/list-background-composer-secrets:1 Failed to load resource: the server responded with a status of 500 ()
816865d8-52de2be79204793c.js?dpl=dpl_BqdPCBEg2FpbKBBkFqWArvnpvQ78:2 Highcharts warning: Consider including the “accessibility.js” module to make your chart more usable for people with disabilities. Set the “accessibility.enabled” option to false to remove this warning. See Accessibility module | Highcharts.

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cc @andrewh

I have also noticed that there’s some inconcistencies (kind of obsolete data still being used) when I switch browsers. On Chrome, which I used a lot, I still see an old repository that I already unlinked, but on Edge I see “select a repository”. Also, on Edge I get “Connect your github account” for some reason although I’ve already connected it.

@condor The repository selection issue has already been solved, yet I still can’t use any of the models except for Supernova. Note that even after my subscription was renewed, I still could not use 4.1 Opus! (I get the “no changes were made”). I am paying for Pro and not using student discount..

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Thank you for the bump, I have sent the details to the team for review.

@Battlezone has the issue been resolved for you, or if not, could you please post a new bcid so the team can have a look with recent changes?

I have just tried it and it seems to work fine (?)

I only tested it on one repository though. Is this a new fix?

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Yes team has been working on it and asked me to check with you.

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