[Bug] Anthropic API Error: Image dimensions exceed max size in multi-image requests

Resolved 💬 3 comments Opened Oct 26, 2025 by elandesberg Closed Oct 29, 2025

Bug Description
⎿ Error: Error during compaction: Error: API Error: 400
{"type":"error","error":{"type":"invalid_request_error","message":"messages.135.content.6.image.source.base64.data: At least
one of the image dimensions exceed max allowed size for many-image requests: 2000
pixels"},"request_id":"req_011CUVJ1eRZWU2SofD9va75z"}

Environment Info

  • Platform: darwin
  • Terminal: cursor
  • Version: 2.0.27
  • Feedback ID: ea2fe614-fff2-46e5-a437-8f31d0784242

Errors

[{"error":"Error: 1: 1 \n    at Dm8 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1310:3994)\n    at async Fm8 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1310:1604)","timestamp":"2025-10-25T18:28:44.532Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1418:754)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async vj6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:65482)\n    at async Eq2 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:62539)\n    at async _j6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:61391)\n    at async yj6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:60874)\n    at async IS (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:57634)\n    at async eW (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2851:4111)\n    at async z6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2851:5067)\n    at async yeA (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2843:3830)","timestamp":"2025-10-25T18:28:58.834Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1418:754)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async vj6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:65482)\n    at async Eq2 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:62539)\n    at async _j6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:61391)\n    at async yj6 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:60874)\n    at async IS (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:57634)\n    at async IS (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:58880)\n    at async IS (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:58880)\n    at async IS (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2685:58880)","timestamp":"2025-10-25T18:31:31.401Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at JD (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1175:4413)\n    at file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1175:4141\n    at Array.map (<anonymous>)\n    at MF (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1175:4132)\n    at ATQ (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1798:6306)\n    at Cw (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:73:19414)\n    at Ao (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:75:42806)\n    at T9 (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:75:38347)\n    at Uc (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:75:38275)\n    at qw (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:75:38129)","timestamp":"2025-10-25T18:32:14.489Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at JD (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1175:4413)\n    at file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1175:4141\n    at Array.map (<anonymous>)\n    at MF (file:///Users/eddielandesberg/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:

Note: Error logs were truncated.

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