[Bug] Anthropic API Error: Internal server error (500)
Resolved 💬 3 comments Opened Feb 25, 2026 by VamoTiozao Closed Feb 25, 2026
Bug Description
i keep getting this error when doing normal work. nothing i dont do everyday. i keep getting this error, every couple messages: API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server
error"},"request_id":"req_011CYVAhWGVH6tBTZ8P9SPCV"}
Environment Info
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.56
- Feedback ID: 4ef3077e-011b-4812-b34a-5ed233f875bd
Errors
[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/lncpxt/.local/share/claude/versions/2.1.56 (expected in multi-process scenarios)\n at pPR (/$bunfs/root/claude:3631:2100)\n at HvA (/$bunfs/root/claude:3631:1211)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-25T17:14:47.264Z"},{"error":"RangeError: stdout maxBuffer length exceeded\n at unknown\n at onData (node:child_process:153:110)\n at emit (node:events:95:22)\n at addChunk (internal:streams/readable:264:47)\n at readableAddChunkPushByteMode (internal:streams/readable:242:18)\n at handleArrayBufferViewResult (internal:streams/native-readable:79:16)\n at <anonymous> (internal:streams/native-readable:43:68)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-25T17:14:49.338Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CYVAhWGVH6tBTZ8P9SPCV\"}\n at generate (/$bunfs/root/claude:267:28561)\n at makeRequest (/$bunfs/root/claude:306:5435)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-25T17:18:01.116Z"}]This issue has 3 comments on GitHub. Read the full discussion on GitHub ↗