[Bug] Anthropic API Error: 500 Internal Server Error with Claude 3 Opus model

Bug Description
It's seems that opus do not work on claude code last version. I still have an 500 error. but issing sonet seems to work.

Environment Info

• Platform: darwin
• Terminal: WarpTerminal
• Version: 2.1.22
• Feedback ID: 2672328a-16ff-4627-9196-8b03b94e3e6b

Errors

[{"error":"Error: ENOENT: no such file or directory, scandir '/Library/Application Support/ClaudeCode/.claude/skills'\n    at readdirSync (unknown)\n    at <anonymous> (/$bunfs/root/claude:12:2063)\n    at rW (/$bunfs/root/claude:11:35454)\n    at readdirSync (/$bunfs/root/claude:12:2024)\n    at DQR (/$bunfs/root/claude:1758:380)\n    at DQR (/$bunfs/root/claude:1758:1350)\n    at <anonymous> (/$bunfs/root/claude:1758:4670)\n    at <anonymous> (/$bunfs/root/claude:1758:5401)\n    at A (/$bunfs/root/claude:11:7259)\n    at mb8 (/$bunfs/root/claude:4820:4342)","timestamp":"2026-01-28T11:24:11.895Z"},{"error":"Error: ENOENT: no such file or directory, scandir '/Users/alexandregounin/.claude/skills'\n    at readdirSync (unknown)\n    at <anonymous> (/$bunfs/root/claude:12:2063)\n    at rW (/$bunfs/root/claude:11:35454)\n    at readdirSync (/$bunfs/root/claude:12:2024)\n    at DQR (/$bunfs/root/claude:1758:380)\n    at DQR (/$bunfs/root/claude:1758:1350)\n    at <anonymous> (/$bunfs/root/claude:1758:4713)\n    at <anonymous> (/$bunfs/root/claude:1758:5401)\n    at A (/$bunfs/root/claude:11:7259)\n    at mb8 (/$bunfs/root/claude:4820:4342)","timestamp":"2026-01-28T11:24:11.895Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXZh5XWJbCVLovUhaDbf1\"}\n    at generate (/$bunfs/root/claude:145:37875)\n    at makeRequest (/$bunfs/root/claude:162:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-28T11:24:23.056Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CXZhBTdJZ2e7jRXGH2TPV\"}\n    at generate (/$bunfs/root/claude:145:37875)\n    at makeRequest (/$bunfs/root/claude:162:5435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-28T11:25:43.499Z"}]