[Bug] React error #31 when typing in slash commands

Bug Description
While typing in a slash command command, the following error was received and crashed Claude Code:

ERROR Minified React error #31; visit https://react.dev/errors/31?args[]=object%20with%20keys%20%7Boptional%7D for the full message or use the non-minified dev environment for full errors and additional helpful warnings.

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.1
• Feedback ID: 2aa58593-31ca-499b-870b-9d1fe22054e0

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/johnmclaughlin/.local/share/claude/versions/2.1.1 (expected in multi-process scenarios)\n    at oXR (/$bunfs/root/claude:2994:2164)\n    at WKA (/$bunfs/root/claude:2994:1884)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-08T17:23:56.588Z"}]