Change model is error

[anhtuan96a8]

how to fix when i change model, i am always cannot send message with reconnecting 5/5
and
[codex/gpt-5.6-sol] [400]: {
"error": {
"message": "Unknown parameter: 'input[0].content'.",
"type": "invalid_request_error",
"param": "input[0].content",
"code": "unknown_parameter"
}
} (reset after 24s)