J0t.clearMarks is not a function

Type: Bug

this error showing only after turn on the already disabled ai feature and try to use chat

VS Code version: Code 1.109.5 (072586267e68ece9a47aa43f8c108e0dcbf44622, 2026-02-19T19:43:32.382Z)
OS version: Linux x64 6.8.0-100-generic
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|Intel(R) Core(TM) i3-1005G1 CPU @ 1.20GHz (4 x 2933)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x8086 [Google Inc. (Intel)], DEVICE=0x8a56 [ANGLE (Intel, Mesa Intel(R) UHD Graphics (ICL GT1), OpenGL 4.6 (Core Profile) Mesa 25.2.8-0ubuntu0.24.04.2)], DRIVER_VENDOR=Mesa, DRIVER_VERSION=25.2.8 *ACTIVE*
Machine model name:
Machine model version:
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
trees_in_viz: disabled_off
video_decode: enabled
video_encode: disabled_software
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: disabled_off
webnn: disabled_off|
|Load (avg)|6, 5, 4|
|Memory (System)|11.46GB (3.92GB free)|
|Process Argv|--crash-reporter-id e61fd9ce-1ad5-49c8-a001-1c284dc81d8a|
|Screen Reader|no|
|VM|0%|
|DESKTOP_SESSION|ubuntu|
|XDG_CURRENT_DESKTOP|ubuntu:GNOME|
|XDG_SESSION_DESKTOP|ubuntu|
|XDG_SESSION_TYPE|x11|
Extensions (34)

Extension|Author (truncated)|Version
---|---|---
flutter-widget-wrap|ami|0.0.3
workspace-notepad|bra|1.0.1
npm-intellisense|chr|1.4.5
quick-explorer-file-size|Cod|1.0.0
dart-code|Dar|3.140.0
flutter|Dar|3.140.0
fastify-snippets|fas|1.5.0
code-runner|for|0.12.2
get-snippets|get|4.3.0
copilot-chat|Git|0.37.9
go|gol|0.56.1
move-cursor-by-argument|hab|0.0.4
easy-icons|jam|0.3.1
vscode-peacock|joh|4.3.4
comment-buddy|Kun|0.0.2
readme-preview|man|0.0.3
flutter-tree|mar|1.0.0
js-debug-nightly|ms-|2026.8.2409
live-server|ms-|0.4.20
vscode-typescript-next|ms-|6.0.20260416
vsliveshare|ms-|1.1.122
material-icon-theme|PKi|5.38.1
postman-for-vscode|Pos|1.19.1
vscode-gradle-kotlin|r0k|0.1.7
redis-for-vscode|Red|1.4.0
fastify-schema-generator|Ree|0.0.1
flutter-print|ric|1.7.2
copy-line-reference-vscode|Run|0.0.5
rust-analyzer|rus|0.3.3025
file-tree-generator|Shi|1.1.1
errorlens|use|3.28.0
vscode-gradle|vsc|3.18.0
vscode-icons|vsc|12.19.0
vscode-todo-highlight|way|1.0.5

(2 theme extensions excluded)

A/B Experiments

```
vsliv368:30146709
pythonvspyt551cf:31249601
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
471b6256:31263136
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
envsactivate1:31551504
cloudbuttont:31379625
3efgi100_wstrepl:31403338
ec5jj548:31422691
cp_cls_t_966_ss:31526232
4je02754:31466945
8hhj4413:31478653
ge8j1254_inline_auto_hint_haiku:31491949
cp_cls_t_1081:31454832
conptydll_true:31498968
e9c30283:31461165
ei9d7968:31496641
chat:31457767
8hig5102:31480529
23c7c724:31520045
ddid_t:31478206
cp_cls_t_1082:31535311
db5d2638:31499441
jb_cp_cls_t_632:31543129
748c7209:31512887
ha629193:31508444
jbcp_cls_pctr_t:31531130
cp_intellij_t_nes:31548657
jf4hg949:31526829
ihg5j128:31534457
9gg7f176:31542112
nes-ex-cf-euporie-03:31543378
1h923230:31564177
1532g621_copy:31554320
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
5b8j3302:31564601
mangle-name-treatment:31572634

```