[BUG] ERROR Expected null or instance of Node, got an instance of Node

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

ERROR Expected null or instance of Node, got an instance of Node

file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:296:98636

• Error.<anonymous> (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:296:98636)
• <anonymous> (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:296:98462)
• t (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:297:257)
• p8 (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:297:3681)
• mA.A7 (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:297:5222)
• V1.insertChild (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:297:6724)
• E48.insertChild (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:297:31052)
• y48 (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:297:36277)
• hb (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:283:64788)
• hb (file:///C:/Users/K4ler/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:283:64895)

What Should Happen?

Error Messages/Logs

Steps to Reproduce

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.50 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_