Requests failing: API Error: 500...
Status Fixed / completed
Reported on v2.1.38
Maintainer reply None cached
Activity 13 comments · opened Feb 10, 2026 · closed Feb 10, 2026
Bug Description
I'm getting this error: API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CY11zF321FLoRTcrBCaoU"}
Environment Info
- Platform: darwin
- Terminal: ghostty
- Version: 2.1.38
- Feedback ID: dad15de7-4548-41ae-b085-550a82715f5c
Errors
[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/userfolder/.local/share/claude/versions/2.1.38 (expected in multi-process scenarios)\n at QVR (/$bunfs/root/claude:3622:2098)\n at yMA (/$bunfs/root/claude:3622:1209)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-10T20:25:51.708Z"},{"error":"Error: ensureToolResultPairing: repaired missing tool_result blocks (27 -> 27 messages). Message structure: [0] user; [1] assistant(id=msg_01HPejGqUbieCzob8wBoUgLq, tool_uses=[toolu_01SkbH3xPyfQM5we9EXYDkHY,toolu_01MbEyBsCPkj2K8TNkzuEZmu]); [2] user(tool_results=[toolu_01SkbH3xPyfQM5we9EXYDkHY,toolu_01MbEyBsCPkj2K8TNkzuEZmu]); [3] assistant(id=msg_01M9VLZzVojEHQvXCTMTZcU3, tool_uses=[toolu_01XRLQeepobuh5yTsp3LLKAh]); [4] user(tool_results=[toolu_01XRLQeepobuh5yTsp3LLKAh]); [5] assistant(id=msg_01NGRz2enEVZmUS7RJe2qnmA, tool_uses=[toolu_01LMpvXQUrGuEmYrtkjxp1qB]); [6] user(tool_results=[toolu_01LMpvXQUrGuEmYrtkjxp1qB]); [7] assistant(id=msg_0155froDUmFZhJyAoqG2c1sX, tool_uses=[toolu_01Jw6eHDkHEftET3bbmWa5KX]); [8] user(tool_results=[toolu_01Jw6eHDkHEftET3bbmWa5KX]); [9] assistant(id=msg_019hJRzTVLLvsLUSS2ttdS5o, tool_uses=[toolu_014VDH2nj1tNvWyEZs5mmcBR]); [10] user(tool_results=[toolu_014VDH2nj1tNvWyEZs5mmcBR]); [11] assistant(id=msg_01GMZBAGPktx8NLEXKJ5JwUN, tool_uses=[toolu_01WLEoQsMGwsieVLBdjBsAHB]); [12] user(tool_results=[toolu_01WLEoQsMGwsieVLBdjBsAHB]); [13] assistant(id=msg_01Y7X7dNeMDAJAEgLByWn9xi, tool_uses=[toolu_01DP1RFtQPpZ4soWEoqM5Mc5]); [14] user(tool_results=[toolu_01DP1RFtQPpZ4soWEoqM5Mc5]); [15] assistant(id=msg_01TbK1gnoRy3muMhk3UAQ2pk, tool_uses=[toolu_01T5VwgfQmZHHekofmpHUgBn]); [16] user(tool_results=[toolu_01T5VwgfQmZHHekofmpHUgBn]); [17] assistant(id=msg_013ApYcjMsQD8nbhLCwgai63, tool_uses=[toolu_01FeXSBBF8xgzdgvvVz1DjaP]); [18] user(tool_results=[toolu_01FeXSBBF8xgzdgvvVz1DjaP]); [19] assistant(id=msg_01WmV1LGUjYqn5w9EYzu3UjY, tool_uses=[toolu_01G4A5aKURfm3CDTKjfS2dfr]); [20] user(tool_results=[toolu_01G4A5aKURfm3CDTKjfS2dfr]); [21] assistant(id=msg_0137uCY7QuW2PBd6W7HmS64m, tool_uses=[toolu_017wguQBZftBUz14DiHCDgaL]); [22] user(tool_results=[toolu_017wguQBZftBUz14DiHCDgaL]); [23] assistant(id=msg_01RXayDFUoGd2MMNiZFGBjMt, tool_uses=[toolu_01EnavHPTzCxnKqHNGu716JR,toolu_01U2JLuZKKsLhNRTyByjpNZh,toolu_01TCX7wA4nqMMhzjdowTr8WP,toolu_01RJHTms1HEKq7WTocfkGrSz]); [24] user(tool_results=[toolu_01RJHTms1HEKq7WTocfkGrSz]); [25] assistant(id=msg_01Rdu8ckopdFa7FaZFKUNQkb, tool_uses=[toolu_01VKBofnx6wWNRk69CUrorFG]); [26] user(tool_results=[toolu_01VKBofnx6wWNRk69CUrorFG])\n at zsB (/$bunfs/root/claude:6117:8447)\n at UsB (/$bunfs/root/claude:5701:6651)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-10T20:26:55.762Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CY11zELbgsNr4vcUXEXrJ\"}\n at generate (/$bunfs/root/claude:319:9040)\n at makeRequest (/$bunfs/root/claude:358:5435)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-10T20:27:20.602Z"},{"error":"SyntaxError: JSON Parse error: Unexpected identifier \"API\"\n at <parse> (:0)\n at parse (unknown)\n at <anonymous> (/$bunfs/root/claude:62:1142)\n at A (/$bunfs/root/claude:11:7851)\n at SZ_ (/$bunfs/root/claude:1136:3847)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-10T20:27:20.608Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CY11zF321FLoRTcrBCaoU\"}\n at generate (/$bunfs/root/claude:319:9040)\n at makeRequest (/$bunfs/root/claude:358:5435)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-10T20:27:20.768Z"},{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011CY125g7XeSzizy1GkqXVW\"}\n at generate (/$bunfs/root/claude:319:9040)\n at makeRequest (/$bunfs/root/claude:358:5435)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-02-10T20:28:34.360Z"}]
13 Comments
Found 3 possible duplicate issues:
This issue will be automatically closed as a duplicate in 3 days.
🤖 Generated with Claude Code
me too
same here
Claude Max Plan
using warp - claude code cli
tried both dangerously run and normal claude command.
Sonnet 4.5 works, opus 4.6 doesn't.
Same here, after exit, claude code can't even pop up. But Antigravity opus 4.6 is fine lol. I am Max plan btw
i got a similar issue just now maybe its related to the downtime this morning?
same here, Claude Max plan using CC cli
API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CY14adzpg1fKqUnsj8UAS"}
Yeah I am switching to Antigravity and codex now until they fix it. Did ever Anthropic give back some credits or balance to compensate? I mean that gonna cost solid loss right? For customer who paid more than 100 dollars for better experience.
Just upgraded to the $200 plan last night to get dealt this haha
I switched to /model sonnet and working so far, its opus model thats having issues
Working on Opus 4.5 if you set the /model
Supported models
Opus 4.6, claude-opus-4-6
Opus 4.5, claude-opus-4-5-20251101
Haiku 4.5, claude-haiku-4-5-20251001
Sonnet 4.5, claude-sonnet-4-5-20250929 (default)
Sonnet 4, claude-sonnet-4-20250514
Haiku 3.5, claude-3-5-haiku-20241022
Guys opus is working, get back to work!
woohooO!!
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