[Bug] Anthropic API Error: Output blocked by content filtering policy

Bug Description
API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"Output blocked by content filtering
policy"},"request_id":"req_011CY1qmHcmkd4mGpJsksbWW"}

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.39
• Feedback ID: bc3c66ef-4531-4476-b060-5ad6df8f6300

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/danielwilliams/.local/share/claude/versions/2.1.39 (expected in multi-process scenarios)\n    at wVR (/$bunfs/root/claude:3626:2098)\n    at DjA (/$bunfs/root/claude:3626:1209)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-11T04:34:38.294Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Output blocked by content filtering policy\"},\"request_id\":\"req_011CY1qUnNRtYrKSMcmLN44z\"}\n    at generate (/$bunfs/root/claude:319:8796)\n    at makeRequest (/$bunfs/root/claude:358:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-11T06:50:42.838Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Output blocked by content filtering policy\"},\"request_id\":\"req_011CY1qd37BFy8KBZVtSAKND\"}\n    at generate (/$bunfs/root/claude:319:8796)\n    at makeRequest (/$bunfs/root/claude:358:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-11T06:52:36.452Z"},{"error":"Error: ensureToolResultPairing: repaired missing tool_result blocks (14 -> 14 messages). Message structure: [0] user; [1] user; [2] assistant(id=msg_01K6Nf7vVagFFgiKsivG76YS, tool_uses=[toolu_01GhJb9dZPDewcHUseEFjkoF,toolu_0144fYdJA4saSZp66ht9hyrK,toolu_01W32pnUNCPD3jebRxPfopx5]); [3] user(tool_results=[toolu_01GhJb9dZPDewcHUseEFjkoF,toolu_0144fYdJA4saSZp66ht9hyrK,toolu_01W32pnUNCPD3jebRxPfopx5]); [4] assistant(id=msg_01UbwRc9BpxkVBfz9S84qtp8, tool_uses=[toolu_011LrNiXLEuWsbZ56Va6a4vJ,toolu_01SAH5ibsC8bUzVP5ohaBBLi]); [5] user(tool_results=[toolu_011LrNiXLEuWsbZ56Va6a4vJ,toolu_01SAH5ibsC8bUzVP5ohaBBLi]); [6] assistant(id=msg_01Q4UEsmxLehxXKJijJLbp1i, tool_uses=[toolu_01F5XYdgkZXgrrYktp2ottnt,toolu_01V3ZwtQ5Z4rFGo3opWGL1Cx]); [7] user(tool_results=[toolu_01F5XYdgkZXgrrYktp2ottnt,toolu_01V3ZwtQ5Z4rFGo3opWGL1Cx]); [8] assistant(id=msg_01BzzL8egbYwZBBJWMqi13gK, tool_uses=[toolu_01B2FvwZR78g1cYEw6vZ2cyi,toolu_01BSGLhD6Xa3J4fV886fPA1e]); [9] user(tool_results=[toolu_01B2FvwZR78g1cYEw6vZ2cyi,toolu_01BSGLhD6Xa3J4fV886fPA1e]); [10] assistant(id=msg_012PZRD49urky46ChRsZs2Cn, tool_uses=[toolu_01LKow4F7QfgehrPMftWYS31,toolu_01Fb7gaFuqh9y2gQ7SEQp8BT,toolu_0154igyRTxzchnjSiz2NG35w,toolu_01TDgMwVhVTkxLU8U6zqeVpF,toolu_015ZfTXjwoxXKK2nW7BfFPzK]); [11] user(tool_results=[toolu_01LKow4F7QfgehrPMftWYS31,toolu_01Fb7gaFuqh9y2gQ7SEQp8BT,toolu_0154igyRTxzchnjSiz2NG35w,toolu_01TDgMwVhVTkxLU8U6zqeVpF,toolu_015ZfTXjwoxXKK2nW7BfFPzK]); [12] assistant(id=msg_01Sgp9s5XbzAqM5ubxmfSV7m, tool_uses=[toolu_01H4ZTYRKHKqxv9KcjApyaem]); [13] user(tool_results=[toolu_01H4ZTYRKHKqxv9KcjApyaem,toolu_014yXXprgDNrZyovLA7yJGyf])\n    at RtB (/$bunfs/root/claude:6119:8447)\n    at esB (/$bunfs/root/claude:5705:6749)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-11T06:52:51.445Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Output blocked by content filtering policy\"},\"request_id\":\"req_011CY1qmHcmkd4mGpJsksbWW\"}\n    at generate (/$bunfs/root/claude:319:8796)\n    at makeRequest (/$bunfs/root/claude:358:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-11T06:54:26.437Z"}]