[Bug] Anthropic API Error: Request Payload Exceeds Context Window Limit

Bug Description
I am using Claude Code normally and whether in planning mode, or accept edits mode, I keep on getting this error message: API Error: 413 {"type":"error","error":{"type":"invalid_request_error","message":"Request size exceeds model context window"},"request_id":"req_0......."}

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 1.0.89
• Feedback ID: 87e16d8f-692e-4b33-bff2-ce1196740088

Errors

[{"error":"Error: 413 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Request size exceeds model context window\"},\"request_id\":\"req_011CSPfV2wsrZw1rDc178HfJ\"}\n    at b4.generate (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:926:2680)\n    at HP.makeStatusError (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:943:2101)\n    at HP.makeRequest (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:943:5314)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async NZ1.showErrors (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:27491)\n    at async NZ1 (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:16486)\n    at async qBB (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:27321)\n    at async file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:22275\n    at async XD0 (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:3656)\n    at async $e (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:22245)","timestamp":"2025-08-23T00:05:21.777Z"},{"error":"Error: 413 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Request size exceeds model context window\"},\"request_id\":\"req_011CSPg4H1drRJmGGa85sAjz\"}\n    at b4.generate (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:926:2680)\n    at HP.makeStatusError (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:943:2101)\n    at HP.makeRequest (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:943:5314)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async NZ1.showErrors (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:27491)\n    at async NZ1 (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:16486)\n    at async qBB (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:27321)\n    at async file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:22275\n    at async XD0 (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:3656)\n    at async $e (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:22245)","timestamp":"2025-08-23T00:12:55.962Z"},{"error":"Error: 413 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"Request size exceeds model context window\"},\"request_id\":\"req_011CSPgBxNC97UhgWeotbedh\"}\n    at b4.generate (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:926:2680)\n    at HP.makeStatusError (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:943:2101)\n    at HP.makeRequest (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:943:5314)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async NZ1.showErrors (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:27491)\n    at async NZ1 (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:16486)\n    at async qBB (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:27321)\n    at async file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:22275\n    at async XD0 (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:3656)\n    at async $e (file:///Users/bakertamory/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1898:22245)","timestamp":"2025-08-23T00:14:52.966Z"}]