[BUG] Code mode fails with custom LLM gateway: chat template doesn't support tool calling
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?
An API error occurred
Try sending your message again.
API Error: The operation timed out.
failed to parse grammar
Failed to initialize samplers: failed to parse grammar
400: Failed to initialize samplers: failed to parse grammar
no where you can find anything about this. not even claude codes docs website.
What Should Happen?
An API error occurred
Try sending your message again.
API Error: The operation timed out.
failed to parse grammar
Failed to initialize samplers: failed to parse grammar
400: Failed to initialize samplers: failed to parse grammar
no where you can find anything about this. not even claude codes docs website.
Error Messages/Logs
An API error occurred
Try sending your message again.
API Error: The operation timed out.
failed to parse grammar
Failed to initialize samplers: failed to parse grammar
400: Failed to initialize samplers: failed to parse grammar
no where you can find anything about this. not even claude codes docs website.Steps to Reproduce
An API error occurred
Try sending your message again.
API Error: The operation timed out.
failed to parse grammar
Failed to initialize samplers: failed to parse grammar
400: Failed to initialize samplers: failed to parse grammar
no where you can find anything about this. not even claude codes docs website.
Claude Model
Other
Is this a regression?
Yes, this worked in a previous version
Last Working Version
_No response_
Claude Code Version
ClaudeCode llm-gateway 3rd party configuration
Platform
Other
Operating System
Windows
Terminal/Shell
Other
Additional Information
_No response_