[BUG]

Resolved 💬 3 comments Opened Jan 11, 2026 by Jasper-C Closed Jan 14, 2026

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?

Title: RuntimeError: access to a null reference on CLI startup

Body:

Environment

  • OS: Linux 6.8.0-90-generic (Ubuntu)
  • Platform: x86_64
  • Claude Code version: (run claude --version to fill in)

Description

Claude Code crashes immediately on startup with a null reference error in the bundled
JavaScript.

Steps to Reproduce

  1. Run claude in terminal
  2. CLI crashes before becoming interactive

Error Output

RuntimeError: access to a null reference (evaluating 'z$.apply(null,fD)')
at unknown:1:1
at unknown:1:1
at unknown:1:1
at unknown:1:1
at unknown:1:1
at unknown:1:1
at unknown:1:1
at unknown:1:1
at /$bunfs/root/claude:685:6784
at /$bunfs/root/claude:685:30824

The error was preceded by ~600 lines of minified JavaScript source code being dumped to
stdout.

Additional Context

This occurred when launching Claude Code in an existing project directory (Django project). No
commands were entered - the crash happened during initialization.

What Should Happen?

Claude Code should just launch

Error Messages/Logs

Steps to Reproduce

Type claude in the prompt

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.4 (Claude Code)

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

PyCharm terminal

Additional Information

_No response_

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