[Bug] Anthropic API Error: Internal Server Error (500)

Status Closed — not planned
Reported on v2.1.96
Maintainer reply None cached
Activity 11 comments · opened Apr 8, 2026 · closed May 22, 2026

Bug Description
Getting this error trying to use Claude Code:
API Error: 500
{"type":"error","error":{"type":"api_error","message":"Internal server
error"},"request_id":"req_011CZri1aJVAGtfTvG8twm2e"}

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.96
  • Feedback ID: 291ac857-9cb4-40e1-a90f-f2b36d8e5ee4

Errors

[{"error":"AxiosError: Request failed with status code 500\n    at oB (/$bunfs/root/src/entrypoints/cli.js:108:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:113:12750)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:115:2467)\n    at async Pr (/$bunfs/root/src/entrypoints/cli.js:417:3767)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:1799:190)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6308:22201)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-08T17:40:30.286Z"},{"error":"AxiosError: Request failed with status code 500\n    at oB (/$bunfs/root/src/entrypoints/cli.js:108:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:113:12750)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:115:2467)\n    at async qFH (/$bunfs/root/src/entrypoints/cli.js:249:273473)\n    at async ch6 (/$bunfs/root/src/entrypoints/cli.js:402:3431)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-08T17:40:30.411Z"},{"error":"AxiosError: Request failed with status code 500\n    at oB (/$bunfs/root/src/entrypoints/cli.js:108:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:113:12750)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:115:2467)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8122:20623)\n    at async Pr (/$bunfs/root/src/entrypoints/cli.js:417:3767)\n    at async hC5 (/$bunfs/root/src/entrypoints/cli.js:8122:20380)\n    at async Zi7 (/$bunfs/root/src/entrypoints/cli.js:8122:21015)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-08T17:40:30.435Z"},{"error":"AxiosError: Request failed with status code 500\n    at oB (/$bunfs/root/src/entrypoints/cli.js:108:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:113:12750)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:115:2467)\n    at async iI1 (/$bunfs/root/src/entrypoints/cli.js:1963:13999)\n    at async fn9 (/$bunfs/root/src/entrypoints/cli.js:1963:14538)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-08T17:40:30.512Z"},{"error":"AxiosError: Request failed with status code 500\n    at oB (/$bunfs/root/src/entrypoints/cli.js:108:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:113:12750)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:115:2467)\n    at async iI1 (/$bunfs/root/src/entrypoints/cli.js:1963:13999)\n    at async fn9 (/$bunfs/root/src/entrypoints/cli.js:1963:14538)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-08T17:40:30.521Z"}]

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11 Comments

TingRubato · 4 months ago

I came across same issue:

  • OS: macOS 26.4
  • Claude Code: 2.1.96 (Claude Code)
  • Node.js: v24.12.0
  • Shell: /bin/zsh
  • Date: 2026-04-08T17:42:05Z

Error message

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZriQtCehDngXZRUmWEMs"}

juliana-adivor · 4 months ago

Same error using Claude Code

  • OS: Windows 11

 API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server
error"},"request_id":"req_011CZrhxudkUwJx2G3JjeDgA"}

tonyQihuanYang · 4 months ago
siparo · 4 months ago

Same issue here too on MacOS Claude Cowork.

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZriMJToLA217VLNFNxJi"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZrhqor3cMgbsfzzqB3N6"}

valerybr · 4 months ago

Same issue here:  API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZri1BVnVkviaA76T48TC"}

OS: WSL Ubuntu 24.04
Claude version: v2.1.96

jebbers-lq · 4 months ago

Same issue as well on Mac OS Tahoe.

I see a duplicate issue: #45351

github-actions[bot] · 4 months ago

Found 3 possible duplicate issues:

  1. https://github.com/anthropics/claude-code/issues/45351
  2. https://github.com/anthropics/claude-code/issues/45348
  3. https://github.com/anthropics/claude-code/issues/45346

This issue will be automatically closed as a duplicate in 3 days.

  • If your issue is a duplicate, please close it and 👍 the existing issue instead
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🤖 Generated with Claude Code

antoniocamas · 4 months ago

same here. Any way to downgrade?

github-actions[bot] · 3 months ago

Closing for now — inactive for too long. Please open a new issue if this is still relevant.

github-actions[bot] · 1 month ago

This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.