[Bug] Anthropic API Error: Invalid JSON Request Body Parsing

Resolved 💬 3 comments Opened Sep 27, 2025 by 646826 Closed Oct 1, 2025

Bug Description
API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"The request body is not valid JSON: no low surrogate in string:
line 1 column 37589 (char 37588)"},"request_id":"req_011CTZLp69SAXNXpcATcZg2m"}

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 1.0.128
  • Feedback ID: 60c78325-1a9c-460d-958f-2e5a7f12c4c3

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"The request body is not valid JSON: no low surrogate in string: line 1 column 37589 (char 37588)\"},\"request_id\":\"req_011CTZLp69SAXNXpcATcZg2m\"}\n    at Z4.generate (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:895:25018)\n    at bP.makeStatusError (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1075:2131)\n    at bP.makeRequest (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1075:5344)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async rG1.model (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1163:39666)\n    at async rG1 (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1163:27792)\n    at async w2B (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1163:39820)\n    at async file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1163:34239\n    at async IH0 (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1163:9625)\n    at async X01 (file:///Users/dimas/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1163:34209)","timestamp":"2025-09-27T18:00:43.017Z"}]

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