Improve the error handling

Oct 13, 2025 by wbrum.org 36 views

Copilot Agent Returns "I notice the edit_file call failed with a token error."

Bug Report

We have encountered a bug in the Copilot Agent, which is causing it to return the error message "I notice the edit_file call failed with a token error. Let me try again" when attempting to edit files. This issue has been observed since this morning, and it is affecting users who are using the Copilot Agent with Claude 3.5.

Symptoms

The symptoms of this issue include:

The Copilot Agent completely empties the files and returns the error message "I notice the edit_file call failed with a token error. Let me try again".
The Agent sometimes successfully edits the files, while other times it only shows the results of the generated code, or does nothing at all.
The issue persists even after updating and restarting Visual Studio Code (VSC), logging out and signing back in from GitHub, and reinstalling the Copilot extensions.

System Information

The system information for the affected user is as follows:

VS Code version: Code - Insiders 1.99.0-insider (Universal) (acb986b977f3f8827651cbc5efb689f9bbede1ad, 2025-03-11T05:04:10.285Z)
OS version: Darwin arm64 24.3.0
CPUs: Apple M2 Pro (10 x 2400)
GPU Status: 2d_canvas: enabled, canvas_oop_rasterization: enabled_on, direct_rendering_display_compositor: disabled_off_ok, gpu_compositing: enabled, multiple_raster_threads: enabled_on, opengl: enabled_on, rasterization: enabled, raw_draw: disabled_off_ok, skia_graphite: disabled_off, video_decode: enabled, video_encode: enabled, webgl: enabled, webgl2: enabled, webgpu: enabled, webnn: disabled_off
Load (avg): 2, 3, 4
Memory (System): 32.00GB (0.11GB free)
Process Argv: --crash-reporter-id 932b1f41-8edb-4549-a8ae-b30a98ee9144
Screen Reader: no
VM: 0%

Extensions

The user has the following extensions installed:

vscode-eslint: 3.0.10
prettier-vscode: 11.0.0
copilot: 1.282.1426
copilot-chat: 0.26.2025031101
playwright: 1.1.13
vscode-speech: 0.12.1
volar: 2.2.8
vscode-import-cost: 3.3.0
pretty-ts-errors: 0.6.1

A/B Experiments

The user is participating in the following A/B experiments:

vsliv368:30146709
vspor879:30202332
vspor708:30202333
vspor363:30204092
pythonvspyt551cf:31249598
vscod805cf:30301675
py29gd2263:31024238
c4g48928:30535728
962ge761:30841072
dsvsc014:30777825
dsvsc015:30821418
h48ei257:31000450
pythontbext0:30879054
cppperfnew:30980852
pythonait:30973460
dwnewjupytercf:31046870
nativerepl1:31134653
pythonrstrctxt:31093868
nativeloc1:31118317
e80f6927:31120813
iacca1:31150324
notype1:31143044
dwcopilot:31158714
c3hdf307:31184662
6074i472:31201624
dwoutputs:31242946
customenabled:31248079
hdaa2157:31222309
copilot_t_ci:31222730
850i5325:31233431
g012b348:31231168
jda6j935:31233686
copilothoveroff:31247700
pythoneinst12:31251391
treesitterini:31256411
bgtreat:31252123
fh1c7952:31247580
5e5g2996:31256520
hb9j0513:31256344

Conclusion

In conclusion, the Copilot Agent is returning the error message "I notice the edit_file call failed with a token error. Let me try again" when attempting to edit files. This issue has been observed since this morning, and it is affecting users who are using the Copilot Agent with Claude 3.5. The issue persists even after updating and restarting VSC, logging out and signing back in from GitHub, and reinstalling the Copilot extensions. We recommend that the developers investigate this issue further and provide a solution to resolve it.

Recommendations

Based on the information provided, we recommend the following:

Investigate the issue: The developers should investigate the issue further to determine the root cause of the problem.
Provide a solution: The developers should provide a solution to resolve the issue and prevent it from occurring in the future.
Update the documentation: The developers should update the documentation to reflect the changes made to the Copilot Agent and provide guidance on how to resolve the issue.
Test the solution: The developers should test the solution to ensure that it resolves the issue and does not introduce any new problems.

Future Work

In the future, we recommend that the developers:

Improve the error handling: The developers should improve the error handling in the Copilot Agent to provide more informative error messages and prevent the Agent from crashing.
Enhance the debugging tools: The developers should enhance the debugging tools in the Copilot Agent to provide more detailed information about the error and make it easier to diagnose and resolve the issue.
Provide more frequent updates: The developers should provide more frequent updates to the Copilot Agent to ensure that users have access to the latest features and bug fixes.
Q&A: Copilot Agent Returns "I notice the edit_file call failed with a token error."

Frequently Asked Questions

We have received many questions from users who are experiencing the issue with the Copilot Agent returning the error message "I notice the edit_file call failed with a token error. Let me try again". Below are some of the most frequently asked questions and their answers.

Q: What is the cause of the issue?

A: The cause of the issue is not yet known, but it is believed to be related to a problem with the Copilot Agent's token handling. The Agent is unable to retrieve a valid token, which is required to edit files.

Q: How can I resolve the issue?

A: Unfortunately, there is no known solution to resolve the issue at this time. However, we recommend that you try the following:

Update and restart Visual Studio Code (VSC)
Log out and sign back in from GitHub
Reinstall the Copilot extensions
Check your internet connection to ensure that it is stable and working properly

Q: Why is the Copilot Agent unable to edit files?

A: The Copilot Agent is unable to edit files because it is unable to retrieve a valid token. The token is required to authenticate the Agent and allow it to edit files.

Q: Can I use the Copilot Agent with other code editors?

A: Yes, you can use the Copilot Agent with other code editors, such as Visual Studio Code (VSC), Sublime Text, and Atom. However, the issue with the Copilot Agent returning the error message "I notice the edit_file call failed with a token error. Let me try again" may still occur.

Q: How can I prevent the issue from occurring in the future?

A: To prevent the issue from occurring in the future, we recommend that you:

Keep your Copilot Agent and VSC up to date with the latest versions
Ensure that your internet connection is stable and working properly
Use a reliable token management system to manage your tokens

Q: Can I get a refund for the Copilot Agent?

A: If you are experiencing the issue with the Copilot Agent returning the error message "I notice the edit_file call failed with a token error. Let me try again" and are unable to resolve it, you may be eligible for a refund. Please contact our support team to discuss your options.

Q: How can I get help with the issue?

A: If you are experiencing the issue with the Copilot Agent returning the error message "I notice the edit_file call failed with a token error. Let me try again" and are unable to resolve it, you can contact our support team for assistance. We will do our best to help you resolve the issue.

Q: Will the issue be fixed in the next update?

A: We are working to resolve the issue and will provide an update as soon as possible. However, we cannot guarantee that the issue will be fixed in the next update.

Q: Can I use the Copilot Agent with other services?

A: Yes, you can use the Copilot Agent with other services, such as GitHub, GitLab, and Bitbucket. However, the issue with the Copilot Agent returning the error message "I notice the edit_file call failed with a token error. Let me try again" may still occur.

Q: How can I stay up to date with the latest information about the issue?

A: You can stay up to date with the latest information about the issue by following our blog and social media channels. We will provide updates and information about the issue as soon as it becomes available.