Anthropic API Errors 529/400 on 200 Max Token Plan

Bug Description
API error 529 and API error 400. I do not know when i was in the 100 max plan all was good but when I am in 200 max plan all time hitting this error. Do anyone having the same issue?

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 1.0.56
• Feedback ID: 95c999a1-aa7a-4965-ad75-2b9abb10ef90

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:882:11)\n    at execSync (node:child_process:954:15)\n    at A7 (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:797:5848)\n    at file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:48013\n    at Q (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at fY (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:45724)\n    at QK (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:44590)\n    at SB (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:50639)","timestamp":"2025-07-21T07:03:56.967Z"},{"error":"Error: ENOENT: no such file or directory, open '/proc/version'\n    at Module.readFileSync (node:fs:442:20)\n    at Object.readFileSync (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:615:7077)\n    at file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:615:8638\n    at Q (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at kT4 (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:62815)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-21T07:03:57.488Z"},{"error":"SyntaxError: Unexpected token 'I', \"I apologiz\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:704:9932\n    at Q (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at jGB (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1282:10304)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-22T01:52:18.135Z"},{"error":"Error: Request was aborted.\n    at dM.makeRequest (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1266:3840)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-22T04:59:44.635Z"},{"error":"Error: Error normalizing tool input:[\n  {\n    \"code\": \"invalid_type\",\n    \"expected\": \"string\",\n    \"received\": \"undefined\",\n    \"path\": [\n      \"new_string\"\n    ],\n    \"message\": \"Required\"\n  }\n]\n    at VCA (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2293:682)\n    at mqB (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2670:13109)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2670:9066\n    at async JKA (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2670:1626)\n    at async ra (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2670:9036)\n    at async mz (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2293:2210)\n    at async mz (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2293:4251)\n    at async mz (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2293:4251)\n    at async mz (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:2293:4251)","timestamp":"2025-07-22T20:29:50.147Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at IW (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1423:1184)\n    at file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1423:912\n    at Array.map (<anonymous>)\n    at DW (file:///Users/mdshahabulalam/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1423:903)\n    at THB (file:///Users/mdshahabulalam/.npm-global

Note: Error logs were truncated.