CLI - subagent invalid response body

Open 💬 0 comments Opened Aug 26, 2026 by JProck21

What version of Codex CLI is running?

codex-cli 0.149.1

What subscription do you have?

AWS bedrock

Which model were you using?

gpt-5.6-sol

What platform is your computer?

Darwin 24.6.0 arm64 arm

What terminal emulator and version are you using (if applicable)?

wezterm

Codex doctor report

What issue are you seeing?

When I ask sol to delegate work to a luna subagent, it fails immediately with the following error message.
{"error":{"code":"validation_error","message":"invalid request body: Invalid 'input': value did not match any
expected variant","param":null,"type":"invalid_request_error"}}

What steps can reproduce the bug?

ask sol to delegate to luna subagents.

What is the expected behavior?

expected that luna subagent begins to do the assigned task without failure.

Additional information

_No response_

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