Invalid JSON Parsing: High Surrogate Character Causing 400 Bad Request Error

Bug Description
API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"The request body is not valid JSON: invalid high surrogate in string: line 1 column
191919 (char 191918)"}}

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 1.0.29
• Feedback ID: 92c1543f-2ef4-4f83-9cea-0f6d03b6b86b

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 EZ (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:659:3921)\n    at file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:582:9014\n    at Q (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:526:17199)\n    at QX (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:582:8160)\n    at qS (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:582:7241)\n    at L9 (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:582:11408)","timestamp":"2025-06-19T12:20:04.089Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"The request body is not valid JSON: invalid high surrogate in string: line 1 column 191919 (char 191918)\"}}\n    at d6.generate (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1300:12578)\n    at Ow.makeStatusError (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1315:2082)\n    at Ow.makeRequest (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1315:5257)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async RE2.L11.showErrors (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1670:22466)\n    at async L11 (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1670:12368)\n    at async RE2 (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1670:22312)\n    at async file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1670:17441\n    at async nt1 (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1670:5121)\n    at async Hu (file:///Users/flc001/.nvm/versions/node/v23.5.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1670:17411)","timestamp":"2025-06-19T12:20:23.362Z"}]