claude-code - 💡(How to fix) Fix API Error: 500 ... [1 comments, 2 participants]

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/jpenna/.local/share/claude/versions/2.1.109 (expected in multi-process scenarios)\n at yU_ (/$bunfs/root/src/entrypoints/cli.js:2342:2153)\n at Vs6 (/$bunfs/root/src/entrypoints/cli.js:2342:1233)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-15T14:46:23.630Z"},{"error":"Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5ju8u8bUYEhaMzgE24Q"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:11:52772)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-15T14:48:08.812Z"},{"error":"SyntaxError: JSON Parse error: Unexpected identifier "API"\n at <parse> (:0)\n at parse (unknown)\n at MI8 (/$bunfs/root/src/entrypoints/cli.js:167:10030)\n at O (/$bunfs/root/src/entrypoints/cli.js:130:19335)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:169:1186)\n at Ne (/$bunfs/root/src/entrypoints/cli.js:6213:475)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-15T14:48:08.813Z"},{"error":"Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5juWrEdbg22LZhmG5x4"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:11:52772)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-15T14:48:13.982Z"},{"error":"Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5jxpwFeVtXEAZUqaJmS"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:11:52772)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-15T14:48:58.872Z"}]

TL;DR

The issue is likely related to a lock acquisition failure and internal server errors, suggesting a potential problem with the application's ability to handle concurrent requests or a server-side issue.

Guidance

• The error messages indicate a "Lock acquisition failed" error, which may be related to the application's handling of concurrent requests or file system locks.
• The repeated "Internal server error" messages with a 500 status code suggest a server-side issue that may be unrelated to the lock acquisition failure.
• To mitigate the issue, try checking the application's configuration and logs for any clues about the cause of the lock acquisition failure and internal server errors.
• Consider checking the status of the server at status.claude.com to see if there are any known issues that may be contributing to the problem.

Example

No code snippet is provided as the issue does not contain enough information to suggest a specific code change.

Notes

The issue may be related to a bug in the application or a server-side issue, and more information would be needed to provide a definitive solution.

Recommendation

Apply workaround: Given the lack of information about the cause of the issue, it may be helpful to try restarting the application or checking for any known issues on the server status page.