### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) 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? When Developer Mode is enabled and user opens Developer → Configure Third-Party Inference, saving any configuration fails with "Couldn't update saved conf

[BUG] "Couldn't update saved configurations" in Configure Third-Party Inference

Status Closed — not planned

Maintainer reply None cached

Activity 1 comment · opened Aug 25, 2026 · closed Aug 28, 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?

When Developer Mode is enabled and user opens Developer → Configure Third-Party Inference, saving any configuration fails with "Couldn't update saved configurations"

What Should Happen?

Configuration should save successfully

Error Messages/Logs

Couldn't update saved configurations (×6)
Couldn't load configuration

Steps to Reproduce

Open Claude Desktop
Help → Troubleshooting → Enable Developer Mode
Developer → Configure Third-Party Inference
Error immediately appears: "Couldn't update saved configurations"

Claude Model

None

Is this a regression?

I don't know

Last Working Version

Unknown

Claude Code Version

Claude Desktop 1.34493.1.0

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

Installer: ClaudeSetup EXE from downloads.claude.ai

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