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Error "Input item ID does not belong to this connection" when using a previous GitHub Copilot conversation #318482
Description
Type: Bug
Select a previous GH Copilot conversation, ask a question or type anything in the chat, submit, this error occurs:
Sorry, your request failed. Please try again.
Copilot Request id: 6bb204a8-e145-40e6-8b90-c944454365f4
GH Request Id: 2D8B:463A9:144DDB8:169C2BC:6A1644E2
Reason: Request Failed: 400 {"error":{"message":"input item ID does not belong to this connection","code":""}}
VS Code version: Code 1.121.0 (f6cfa2e, 2026-05-19T11:51:53+02:00)
OS version: Windows_NT x64 10.0.22631
Modes:
System Info
| Item | Value |
|---|---|
| CPUs | Intel(R) Xeon(R) Platinum 8168 CPU @ 2.70GHz (8 x 2694) |
| GPU Status | 2d_canvas: unavailable_software GPU0: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VENDOR=Google, DRIVER_VERSION=10.0.22621.6931 GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.22621.6931 GPU2: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.22621.6931 Machine model name: Machine model version: direct_rendering_display_compositor: disabled_off_ok gpu_compositing: disabled_software multiple_raster_threads: enabled_on opengl: disabled_off rasterization: disabled_software raw_draw: disabled_off_ok skia_graphite: disabled_off trees_in_viz: disabled_off video_decode: disabled_software video_encode: disabled_software webgl: unavailable_software webgl2: unavailable_software webgpu: unavailable_software webnn: unavailable_software |
| Load (avg) | undefined |
| Memory (System) | 15.95GB (4.86GB free) |
| Process Argv | --crash-reporter-id 88d52f4a-8de9-4e4e-8f99-cb69f696dba2 |
| Screen Reader | no |
| VM | 0% |
Extensions (6)
| Extension | Author (truncated) | Version |
|---|---|---|
| rainbow-csv | mec | 3.24.1 |
| debugpy | ms- | 2026.6.0 |
| python | ms- | 2026.4.0 |
| vscode-pylance | ms- | 2026.2.1 |
| vscode-python-envs | ms- | 1.30.0 |
| powershell | ms- | 2025.4.0 |
A/B Experiments
vsliv368cf:30146710
vswsl492:30256859
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
6abeh943:31336334
envsactivate1:31505457
cloudbuttont:31379625
3efgi100_wstrepl:31403338
ddidtcf:31399634
ec5jj548:31422691
cp_cls_c_966_ss:31454199
inlinechat_v2_hd992725:31505030
4je02754:31466945
8hhj4413:31478653
ge8j1254_inline_auto_hint_haiku:31490510
38bie571_auto:31478677
cp_cls_c_1081:31454833
conptydll_true:31498968
ia-use-proxy-models-svc:31452481
e9c30283:31461165
test_treatment2:31471001
46204921:31447328
rl_b_xe_098a3278:31520954
idci7584:31464702
e3e4d672:31494082
ei9d7968:31496641
nes-extended-on:31455476
chat:31457767
8hig5102:31480529
89g7j272:31518289
7e187181:31503455
i2gc6536:31499202
52612955:31516516
ghj88844:31499326
23c7c724:31520045
ddid_t:31478206
hmra_i5g22:31518061
getcmakediagnosticson:31489824
7df3h592:31512476
pro_large_t:31499376
cp_cls_t_1082:31516087
logging_enabled_new:31498466
db5d2638:31499441
jb_cp_cls_c_632:31517842
56dj4588:31512888
cg448276_tst_on:31514358
32d76977:31512328
ha629193:31508444
539gd155_c:31506875
jh5f2457_c:31515489
hgf2d445:31517210
prpt_lrg:31518466
61138546:31518536
Activity
jcousineaugd commentedon May 27, 2026
See similar issue github/copilot-cli#2147 within GH CLI. Apparently, it's been fixed in CLI, but the issue still exists within VS Code.
vs-code-engineering commentedon May 27, 2026
This issue is a duplicate of #253136. Please refer to that issue for updates and discussions. Feel free to open a new issue if you think this is a different problem.