Internal server error

Bug Description

Claude is hanging and shimmering with no output for quite a while, then spits out:

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":null}

Environment Info

• Platform: linux
• Terminal: tmux
• Version: 2.0.35
• Feedback ID: f6b8a71c-7b01-43e1-9a94-f31cc662255b

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at jD (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4413)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4141\n    at Array.map (<anonymous>)\n    at gC (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4132)\n    at XSQ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1752:6597)\n    at rw (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:98:19414)\n    at yt (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:42806)\n    at x9 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38347)\n    at qp (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38275)\n    at J$ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38129)","timestamp":"2025-11-07T14:27:46.078Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at jD (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4413)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4141\n    at Array.map (<anonymous>)\n    at gC (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4132)\n    at XSQ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1752:6597)\n    at rw (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:98:19414)\n    at yt (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:42806)\n    at x9 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38347)\n    at qp (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38275)\n    at J$ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38129)","timestamp":"2025-11-07T14:27:46.088Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at jD (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4413)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4141\n    at Array.map (<anonymous>)\n    at gC (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4132)\n    at XSQ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1752:6597)\n    at rw (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:98:19414)\n    at yt (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:42806)\n    at x9 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38347)\n    at qp (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38275)\n    at J$ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38129)","timestamp":"2025-11-07T14:27:46.293Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at jD (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4413)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4141\n    at Array.map (<anonymous>)\n    at gC (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4132)\n    at XSQ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1752:6597)\n    at rw (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:98:19414)\n    at yt (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:42806)\n    at x9 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38347)\n    at qp (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38275)\n    at J$ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38129)","timestamp":"2025-11-07T14:27:56.794Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at jD (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4413)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4141\n    at Array.map (<anonymous>)\n    at gC (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1054:4132)\n    at XSQ (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1752:6597)\n    at rw (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:98:19414)\n    at yt (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:42806)\n    at x9 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:100:38347)\n    at qp (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:10

Note: Error logs were truncated.