[BUG] Cannot install in Mac Catalina 10.15.
Open 💬 1 comment Opened Jul 7, 2026 by whoooami
Preflight Checklist
- [ ] 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?
Setting up Claude Code...
dyld: Symbol not found: __ZTVNSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEEE
Referenced from: ~/.claude/downloads/claude-2.1.202-darwin-x64 (which was built for Mac OS X 13.0)
Expected in: /usr/lib/libc++.1.dylib
bash: line 159: 62182 Abort trap: 6 "$binary_path" install ${TARGET:+"$TARGET"}
Installation was killed before it could finish (exit code 134).
What Should Happen?
should install successful.
Error Messages/Logs
dyld: Symbol not found: __ZTVNSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEEE
Referenced from: ~/.claude/downloads/claude-2.1.202-darwin-x64 (which was built for Mac OS X 13.0)
Expected in: /usr/lib/libc++.1.dylib
bash: line 159: 62182 Abort trap: 6 "$binary_path" install ${TARGET:+"$TARGET"}
Installation was killed before it could finish (exit code 134).
Steps to Reproduce
curl -fsSL https://claude.ai/install.sh | bash
Claude Model
None
Is this a regression?
I don't know
Last Working Version
_No response_
Claude Code Version
2.1.202
Platform
Anthropic API
Operating System
macOS
Terminal/Shell
Terminal.app (macOS)
Additional Information
_No response_
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