[Bug] Anthropic API Error: Internal Server Error (500)

Bug Description
API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"}

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.29
• Feedback ID: 4098fcde-edba-4e2c-8e2e-4526452ec0ff

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/siweijin/.local/share/claude/versions/2.1.29 (expected in multi-process scenarios)\n    at BUR (/$bunfs/root/claude:3589:2098)\n    at SPA (/$bunfs/root/claude:3589:1209)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:38:58.954Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPQAfQN5Y4JJigNZrjC\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:39:37.303Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPQBgAutr1ED2tPePgu\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:39:37.616Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPYfqos4rHEuXMCgou9\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:41:32.808Z"},{"error":"Error: Failed to delete keychain entry\n    at ol9 (/$bunfs/root/claude:187:10369)\n    at async Hi9 (/$bunfs/root/claude:188:592)\n    at async $i9 (/$bunfs/root/claude:188:496)\n    at async kKA (/$bunfs/root/claude:1733:25443)\n    at async startOAuthFlow (/$bunfs/root/claude:1733:26974)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:42:49.546Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPjCoAwcJMCe4vM4Si5\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:43:55.670Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPnp3KCAdBgTJGbTWCc\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:44:44.544Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPoGwKnvVegHYiLtXEt\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:44:50.773Z"},{"error":"Error: Request was aborted.\n    at i5R (/$bunfs/root/claude:1522:23441)\n    at vpB (/$bunfs/root/claude:4717:7450)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:45:14.552Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXmPrJj4Rz6JfkHfxwMiu\"}\n    at generate (/$bunfs/root/claude:343:8942)\n    at makeRequest (/$bunfs/root/claude:360:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T15:45:31.925Z"}]