[Bug] Anthropic API Error: Internal server error (500)

Resolved 💬 7 comments Opened Feb 4, 2026 by 0xspacecreated Closed Feb 25, 2026

Bug Description
Same issue as yesterday! ⎿  API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CXoMX7hn2d6tv81YU9xGb"}

Environment Info

  • Platform: darwin
  • Terminal: WarpTerminal
  • Version: 2.1.31
  • Feedback ID: 86cad7b8-20fe-4d65-91fe-ce9a653c03d4

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/yashyn/.local/share/claude/versions/2.1.31 (expected in multi-process scenarios)\n    at iYR (/$bunfs/root/claude:3621:2098)\n    at cbA (/$bunfs/root/claude:3621:1209)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T15:51:48.375Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at readFileSync (unknown)\n    at <anonymous> (/$bunfs/root/claude:12:742)\n    at d5 (/$bunfs/root/claude:11:40746)\n    at readFileSync (/$bunfs/root/claude:12:701)\n    at bPB (/$bunfs/root/claude:6124:17702)\n    at call (/$bunfs/root/claude:3564:2357)\n    at call (/$bunfs/root/claude:3560:8805)\n    at qH8 (/$bunfs/root/claude:3085:13642)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:05:31.076Z"},{"error":"Error: Request was aborted.\n    at makeRequest (/$bunfs/root/claude:361:3940)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:06:19.548Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at readFileSync (unknown)\n    at <anonymous> (/$bunfs/root/claude:12:742)\n    at d5 (/$bunfs/root/claude:11:40746)\n    at readFileSync (/$bunfs/root/claude:12:701)\n    at bPB (/$bunfs/root/claude:6124:17702)\n    at call (/$bunfs/root/claude:3564:2357)\n    at call (/$bunfs/root/claude:3560:8805)\n    at qH8 (/$bunfs/root/claude:3085:13642)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:18:59.852Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at readFileSync (unknown)\n    at <anonymous> (/$bunfs/root/claude:12:742)\n    at d5 (/$bunfs/root/claude:11:40746)\n    at readFileSync (/$bunfs/root/claude:12:701)\n    at bPB (/$bunfs/root/claude:6124:17702)\n    at call (/$bunfs/root/claude:3564:2357)\n    at call (/$bunfs/root/claude:3560:8805)\n    at qH8 (/$bunfs/root/claude:3085:13642)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:19:16.084Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXoM26aFdFFpEsWeGUNU2\"}\n    at generate (/$bunfs/root/claude:344:8942)\n    at makeRequest (/$bunfs/root/claude:361:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:29:36.023Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXoM24v3AFiWXtj5eJ5An\"}\n    at generate (/$bunfs/root/claude:344:8942)\n    at makeRequest (/$bunfs/root/claude:361:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:29:37.262Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXoMNNtaayBU6ZXuuEbgE\"}\n    at generate (/$bunfs/root/claude:344:8942)\n    at makeRequest (/$bunfs/root/claude:361:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:34:11.284Z"},{"error":"SyntaxError: JSON Parse error: Unexpected identifier \"API\"\n    at <parse> (:0)\n    at parse (unknown)\n    at <anonymous> (/$bunfs/root/claude:70:855)\n    at A (/$bunfs/root/claude:11:7248)\n    at sX_ (/$bunfs/root/claude:761:91950)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:34:11.285Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXoMPM9SDvh2ZroobvwKg\"}\n    at generate (/$bunfs/root/claude:344:8942)\n    at makeRequest (/$bunfs/root/claude:361:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:34:24.344Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXoMPd6sog3qZsxibHJYg\"}\n    at generate (/$bunfs/root/claude:344:8942)\n    at makeRequest (/$bunfs/root/claude:361:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T16:34:28.196Z"},{"error":"Error: 500 {\"type\":\"error\",\"error…

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