[Bug] File Write Tool Not Functioning - Code Output Skipped

Bug Description
For whatever reason, this version of Claude code refuses to use the File Write tool. It just keeps outputting code directly to Standard Out, so I can read it, but it's not creating files.

Environment Info

• Platform: darwin
• Terminal: WarpTerminal
• Version: 1.0.120
• Feedback ID:

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: undefined\n    at iV (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:1184)\n    at file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:912\n    at Array.map (<anonymous>)\n    at TX (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:903)\n    at oCB (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3032:9581)\n    at QC (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:84:19415)\n    at Jp (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:42814)\n    at W9 (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38355)\n    at Hh (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38283)\n    at zC (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38137)","timestamp":"2025-09-22T23:11:41.263Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: undefined\n    at iV (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:1184)\n    at file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:912\n    at Array.map (<anonymous>)\n    at TX (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:903)\n    at oCB (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3032:9581)\n    at QC (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:84:19415)\n    at Jp (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:42814)\n    at W9 (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38355)\n    at Hh (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38283)\n    at zC (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38137)","timestamp":"2025-09-22T23:13:49.736Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: undefined\n    at iV (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:1184)\n    at file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:912\n    at Array.map (<anonymous>)\n    at TX (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1794:903)\n    at oCB (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3032:9581)\n    at QC (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:84:19415)\n    at Jp (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:42814)\n    at W9 (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38355)\n    at Hh (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38283)\n    at zC (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38137)","timestamp":"2025-09-22T23:14:41.877Z"},{"error":"AxiosError: Request failed with status code 403\n    at MN (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:715:1077)\n    at Unzip.J0 (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:716:9955)\n    at Unzip.emit (node:events:530:35)\n    at Unzip.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at OQ1.request (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:718:2088)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async KB5 (file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1986:480)\n    at async Promise.all (index 0)\n    at async file:///Users/codeshack-x/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1972:6855","timestamp":"2025-09-22T23:16:16.134Z"}]