{"record":{"id":"f08395b223c22dc9","repo":"xtekky/gpt4free","slug":"error-during-copilotapp-interaction-e","errorCode":null,"errorMessage":"Error during CopilotApp interaction: {e}","messagePattern":"Error during CopilotApp interaction: (.+?)","errorType":"exception","errorClass":"RuntimeError","httpStatus":null,"severity":"error","filePath":"g4f/Provider/CopilotApp.py","lineNumber":131,"sourceCode":"                            event = data.get(\"event\")\n                            if event == \"appendText\":\n                                yield data.get(\"text\", \"\")\n                            elif event == \"citation\":\n                                sources[data.get(\"url\")] = data\n                                yield SourceLink(\n                                    list(sources.keys()).index(data.get(\"url\")),\n                                    data.get(\"url\"),\n                                )\n                            elif event == \"done\":\n                                if sources:\n                                    yield Sources(sources.values())\n                                cls.live += 1\n                                break\n                        elif msg.type == aiohttp.WSMsgType.ERROR:\n                            raise RuntimeError(f\"WebSocket Error: {ws.exception()}\")\n        except Exception as e:\n            cls.live -= 1\n            raise RuntimeError(f\"Error during CopilotApp interaction: {e}\") from e","sourceCodeStart":113,"sourceCodeEnd":131,"githubUrl":"https://github.com/xtekky/gpt4free/blob/973504e1770928ed5fb82f43da528f441ad9ddc3/g4f/Provider/CopilotApp.py#L113-L131","documentation":"This is the outer catch-all of CopilotApp's generator: any exception raised inside the start/WebSocket flow (including errors 14 and 15 above) is re-raised as RuntimeError with the original exception chained via `from e`. It also decrements cls.live, the concurrency counter. The real cause is always in the chained exception `e`.","triggerScenarios":"Any failure inside the try block: failed /c/api/start, websocket transport error, JSON decode errors on malformed events, unexpected None fields in event data.","commonSituations":"Wrapper obscures the root cause in logs if callers only print str(exc); concurrent session counter drifting after repeated failures; upstream schema changes causing KeyError/TypeError deep in the handler.","solutions":["Inspect the chained exception (__cause__) rather than just the wrapper message to find the root cause","Fix the underlying error per its own diagnosis (auth, transport, or parsing)","Enable debug logging to capture the event stream leading up to the failure"],"exampleFix":"# before\ntry:\n    async for chunk in CopilotApp.create_async_generator(...):\n        ...\nexcept RuntimeError as e:\n    print(e)\n\n# after\nexcept RuntimeError as e:\n    print('root cause:', e.__cause__ or e)","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try:\n    async for chunk in CopilotApp.create_async_generator(model, messages):\n        yield chunk\nexcept RuntimeError as e:\n    root = e.__cause__ or e\n    log.error('CopilotApp failed: %s', root)\n    raise","preventionTips":["Always inspect __cause__ on this wrapper — the outer message alone is not actionable","Keep concurrency low so the live-session counter stays accurate","Update g4f regularly; CopilotApp event handling is scrape-fragile"],"tags":["wrapper","copilot","error-chaining"],"backgroundTag":null,"analyzedSha":"973504e1770928ed5fb82f43da528f441ad9ddc3","analyzedAt":"2026-08-14T23:45:32.408Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}