[Error] unhandlederror-Cannot read properties of undefined (reading 'hasCapability')

## Error Message
````
unhandlederror-Cannot read properties of undefined (reading 'hasCapability')
````

## Stack Trace
    at (anonymous) ([./src/vs/workbench/browser/parts/editor/editorGroupView.ts:320:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/browser/parts/editor/editorGroupView.ts#L320))
    at callback ([./src/vs/platform/contextkey/browser/contextKeyService.ts:300:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/platform/contextkey/browser/contextKeyService.ts#L300))
    at F ([./src/vs/workbench/browser/parts/editor/editorGroupView.ts:294:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/browser/parts/editor/editorGroupView.ts#L294))
    at observeActiveEditor ([./src/vs/workbench/browser/parts/editor/editorGroupView.ts:392:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/browser/parts/editor/editorGroupView.ts#L392))
    at D._deliver ([./src/vs/base/common/event.ts:1391:12](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/base/common/event.ts#L1391))
    at D._deliverQueue ([./src/vs/base/common/event.ts:1402:8](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/base/common/event.ts#L1402))
    at D.fire ([./src/vs/base/common/event.ts:1426:8](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/base/common/event.ts#L1426))
    at kS.doCloseActiveEditor ([./src/vs/workbench/browser/parts/editor/editorGroupView.ts:1682:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/browser/parts/editor/editorGroupView.ts#L1682))
    at kS.doCloseEditor ([./src/vs/workbench/browser/parts/editor/editorGroupView.ts:1592:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/browser/parts/editor/editorGroupView.ts#L1592))
    at (anonymous) ([./src/vs/workbench/browser/parts/editor/editorGroupView.ts:1314:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/browser/parts/editor/editorGroupView.ts#L1314))

Raw Stack Trace (minified)

````
TypeError: Cannot read properties of undefined (reading 'hasCapability') at out/vs/workbench/workbench.desktop.main.js:1488:62876 at Iji.bufferChangeEvents (out/vs/workbench/workbench.desktop.main.js:2069:56639) at F (out/vs/workbench/workbench.desktop.main.js:1488:62433) at UTe.value (out/vs/workbench/workbench.desktop.main.js:1488:64661) at D._deliver (out/vs/workbench/workbench.desktop.main.js:433:3642) at D._deliverQueue (out/vs/workbench/workbench.desktop.main.js:433:3731) at D.fire (out/vs/workbench/workbench.desktop.main.js:433:4066) at kS.doCloseActiveEditor (out/vs/workbench/workbench.desktop.main.js:1488:79266) at kS.doCloseEditor (out/vs/workbench/workbench.desktop.main.js:1488:78525) at out/vs/workbench/workbench.desktop.main.js:1488:75967
````

## Details
| Property | Value |
| --- | --- |
| Bucket ID | [`f01842ce-ec85-3bd8-522b-256b24c23531`](https://errors.code.visualstudio.com/bucket/f01842ce-ec85-3bd8-522b-256b24c23531?product=VSCode&extension=core&commit=08d4889f9ec4a1685d257b9b95de036c8e1ce1e5) |
| Version | 1.135.0 |
| Commit | [`08d4889f`](https://insiders.vscode.dev/github/microsoft/vscode/tree/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5) |
| Last Seen | Sun Aug 30 2026 23:57:51 GMT+0000 (Coordinated Universal Time) |
| Platforms | Mac, Windows, Linux |
| Product | VSCode |

---
*This issue was automatically created from the VS Code Errors Dashboard*