Provider request fails with invalid_request_error and OpenCode does not work #47975

Description

OpenCode is not working when sending requests through the configured provider.

The request fails with the following error:

Error from provider (Console): Upstream request failed: [invalid_request_error] The request contains invalid parameters. Check the request body for any errors or inconsistencies.

Plugins

No plugins.

OpenCode version

1.18.29

Steps to reproduce

1. Open OpenCode.
2. Configure and select the affected provider and model.
3. Start a new conversation.
4. Send a message to the model.
5. The request fails with the following error:

Error from provider (Console): Upstream request failed: [invalid_request_error] The request contains invalid parameters. Check the request body for any errors or inconsistencies.

Screenshot and/or share link

Operating System

Windows

Terminal

Windows Terminal