{"record":{"id":"11c41a1fb87d3b75","repo":"deepseek-ai/deepseek-harness","slug":"invalid-time-zone-11c41a","errorCode":"invalid-time-zone","errorMessage":"clientTimeZone must be UTC or a valid IANA Area/Location name","messagePattern":"clientTimeZone must be UTC or a valid IANA Area/Location name","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/host/apiproxy/src/api-proxy.ts","lineNumber":2367,"sourceCode":"            await workspace.attachSession(childId)\n          } catch (error: unknown) {\n            return err(request, {\n              code: 'workspace-attach-failed',\n              message: `session \"${childId}\" was forked but could not attach to workspace \"${workspace.id}\": ${String(error)}`,\n              details: { sessionId: childId, workspaceId: workspace.id },\n            })\n          }\n        }\n        return ok(request, { sessionId: childId })\n      },\n\n      async prompt(request) {\n        const { sessionId, mode, content, clientTimeZone } = request.payload\n        const canonicalTimeZone = clientTimeZone === undefined\n          ? undefined\n          : canonicalClientTimeZone(clientTimeZone)\n        if (clientTimeZone !== undefined && canonicalTimeZone === undefined) {\n          return err(request, {\n            code: 'invalid-time-zone',\n            message: 'clientTimeZone must be UTC or a valid IANA Area/Location name',\n            details: { value: clientTimeZone },\n          })\n        }\n        const resolved = await turnAgentFor<{ accepted: true }>(request, sessionId)\n        if ('refused' in resolved) return resolved.refused\n        const agent = resolved.agent\n        // Request identity and optional browser zone ride the exact durable user message.\n        const source: MessageSource = {\n          kind: 'user',\n          rpcId: request.rpcId,\n          ...(canonicalTimeZone === undefined ? {} : { clientTimeZone: canonicalTimeZone }),\n        }\n        const hasImage = content.some(part => part.type === 'image')\n        const admit = async (): Promise<RpcResponse<{ accepted: true }>> => {\n          try {\n            if (hasImage) {","sourceCodeStart":2349,"sourceCodeEnd":2385,"githubUrl":"https://github.com/deepseek-ai/deepseek-harness/blob/b150a551b8d465e31e418e1b2eaf5e79bbb7d28e/packages/host/apiproxy/src/api-proxy.ts#L2349-L2385","documentation":"Error \"clientTimeZone must be UTC or a valid IANA Area/Location name\" thrown in deepseek-ai/deepseek-harness.","triggerScenarios":"Thrown at packages/host/apiproxy/src/api-proxy.ts:2367 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Set clientTimeZone to UTC or a valid IANA Area/Location name (e.g. Europe/Berlin)."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"b150a551b8d465e31e418e1b2eaf5e79bbb7d28e","analyzedAt":"2026-08-24T18:12:29.105Z","schemaVersion":2},"datasetVersion":"2026-08-24T22:17:12.610Z"}