[Bug] Anthropic API Error: Output blocked by content filtering policy
Resolved 💬 2 comments Opened Mar 3, 2026 by alexanderkoh Closed Mar 31, 2026
Bug Description
Getting several API Error: 400 {"type":"error","error":{"type":"invalid_request_error
","message":"Output blocked by content filtering
policy"},"request_id":"req_011CYgfUtk9MwsK6mT7vh5QG"} when doing normal work requests
Environment Info
- Platform: darwin
- Terminal: cursor
- Version: 2.1.45
- Feedback ID: c6bc5d94-f1cc-452c-b760-8235d6598c34
Errors
[{"error":"Error\n at nk (/$bunfs/root/claude:42:1144)\n at <anonymous> (/$bunfs/root/claude:43:10097)\n at emit (node:events:92:22)\n at endReadableNT (internal:streams/readable:861:50)\n at processTicksAndRejections (native:7:39)\n at request (/$bunfs/root/claude:45:2149)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:04.885Z"},{"error":"Error: 1P event logging: 20 events failed to export (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\n at queueFailedEvents (/$bunfs/root/claude:2101:2350)\n at async doExport (/$bunfs/root/claude:2101:1257)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:09.795Z"},{"error":"Error: {\"message\":\"Failed to export 20 events (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\",\"originalLine\":\"2101\",\"originalColumn\":\"1409\",\"line\":\"2101\",\"column\":\"1409\",\"sourceURL\":\"/$bunfs/root/claude\",\"stack\":\"Error: Failed to export 20 events (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\\n at doExport (/$bunfs/root/claude:2101:1409)\\n at processTicksAndRejections (native:7:39)\",\"name\":\"Error\"}\n at error (/$bunfs/root/claude:2144:25028)\n at <anonymous> (/$bunfs/root/claude:2096:20332)\n at mk7 (/$bunfs/root/claude:2096:20876)\n at <anonymous> (/$bunfs/root/claude:2097:17366)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:09.795Z"},{"error":"Error: 1P event logging: 2 events failed to export (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\n at queueFailedEvents (/$bunfs/root/claude:2101:2350)\n at async doExport (/$bunfs/root/claude:2101:1257)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:23.935Z"},{"error":"Error: {\"message\":\"Failed to export 2 events (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\",\"originalLine\":\"2101\",\"originalColumn\":\"1409\",\"line\":\"2101\",\"column\":\"1409\",\"sourceURL\":\"/$bunfs/root/claude\",\"stack\":\"Error: Failed to export 2 events (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\\n at doExport (/$bunfs/root/claude:2101:1409)\\n at processTicksAndRejections (native:7:39)\",\"name\":\"Error\"}\n at error (/$bunfs/root/claude:2144:25028)\n at <anonymous> (/$bunfs/root/claude:2096:20332)\n at mk7 (/$bunfs/root/claude:2096:20876)\n at <anonymous> (/$bunfs/root/claude:2097:17366)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:23.936Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Output blocked by content filtering policy\"},\"request_id\":\"req_011CYge8hRLfNhFhuqQdSsGD\"}\n at generate (/$bunfs/root/claude:327:8796)\n at makeRequest (/$bunfs/root/claude:366:5435)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:34.139Z"},{"error":"Error: 1P event logging: 3 events failed to export (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\n at queueFailedEvents (/$bunfs/root/claude:2101:2350)\n at async doExport (/$bunfs/root/claude:2101:1257)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-03-03T18:44:39.194Z"},{"error":"Error: {\"message\":\"Failed to export 3 events (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\",\"originalLine\":\"2101\",\"originalColumn\":\"1409\",\"line\":\"2101\",\"column\":\"1409\",\"sourceURL\":\"/$bunfs/root/claude\",\"stack\":\"Error: Failed to export 3 events (status=429, code=ERR_BAD_REQUEST, Request failed with status code 429)\\n at doExport (/$bunfs/root/claude:2101:1409)\\n at processTicksAndRejections (native:7:39)\",\"name\":\"Error\"}\n at error (/$bunfs/root/claude:2144:25028)\n at <anonymous> (/$bunfs/root/claude:2096:20332)\n at mk7 (/$bunfs/root/claude:2096:20876)\n at <anonymous> (/$bunfs/root/claude:2097:17366)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-…
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