[Error] [GitHub.copilot-chat] unhandlederror-Invalid JSON for tool call

[vs-code-engineering]

Error Message

unhandlederror-Invalid JSON for tool call

Stack Trace

    at u (../src/extension/conversation/vscode-node/languageModelAccess.ts:840:12)
    at callback (../src/platform/chat/common/chatMLFetcher.ts:151:35)
    at _onProgress (../src/platform/endpoint/node/messagesApi.ts:1083:3)
    at onProgress (../src/platform/endpoint/node/messagesApi.ts:1179:6)
    at WD.onEventHandler (../src/platform/endpoint/node/messagesApi.ts:638:33)
    at WD.dispatchEvent (./src/vs/base/common/sseParser.ts:230:7)
    at WD.processLine (./src/vs/base/common/sseParser.ts:134:8)
    at WD.feed (./src/vs/base/common/sseParser.ts:116:8)
    at <REDACTED: user-file-path> VS <REDACTED: (../src/platform/endpoint/node/messagesApi.ts:673:10)
    at process.processTicksAndRejections (node:<REDACTED: user-file-path>:104:5) [not deminified]
    at async <REDACTED: user-file-path> VS <REDACTED: (./src/vs/base/common/async.ts:2050:4)

Raw Stack Trace (minified)

Error: Invalid JSON for tool call 	at u (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1710:14948) 	at callback (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1581:9915) 	at r (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1579:28439) 	at cG.push (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1579:30751) 	at WD.onEventHandler (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1579:22242) 	at WD.dispatchEvent (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1578:269) 	at WD.processLine (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1576:1990) 	at WD.feed (<REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1576:1810) 	at <REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:1579:23174 	at process.processTicksAndRejections (node:<REDACTED: user-file-path>:104:5) 	at async <REDACTED: user-file-path> VS <REDACTED: user-file-path>/resources\app\extensions\copilot\dist\extension.js:24:88682

Details

Property	Value
Bucket ID	68261181-420a-122e-2dd0-6534ec913885
Extension Version	0.53.0
Last Seen	Thu Jun 18 2026 23:22:22 GMT+0000 (Coordinated Universal Time)
Platforms	win32
Product	VSCode

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