Error: my gpt-5 - 400

[OEngineering]

Error Details

Model: my gpt-5
Provider: openai
Status Code: 400

Error Output

{"message":"Item 'msg_0d97ffba55e0242b00697a85abdd9c819fa0ba8c823ba66edb' of type 'message' was provided without its required 'reasoning' item: 'rs_0d97ffba55e0242b00697a859681cc819fac9b081cd71c540b'.","type":"invalid_request_error","param":"input","code":null}

Additional Context
Please add any additional context about the error here

while working with continue, this issue happened.
my account is verified. i already checked it.

[sestinj]

Potentially related issues:

• Error: my gpt-5 - 400 #9619 - Error: my gpt-5 - 400 (closed)
• Error: GPT-5 - 400 #9979 - Error: GPT-5 - 400
• Error: GPT-5 - 400 #9764 - Error: GPT-5 - 400
• Error: GPT-5 - 400 #9359 - Error: GPT-5 - 400
• Error: GPT-5 - 400 #9155 - Error: GPT-5 - 400
• Error: GPT-5.1 - 400 #9938 - Error: GPT-5.1 - 400
• Error: GPT-5 Codex - 400 #9897 - Error: GPT-5 Codex - 400
• Error: GPT-5 - 400 Error handling model response #9975 - Error: GPT-5 - 400 Error handling model response

[OEngineering]

a comment now. it seems, that change from agent back to chat and than agent again solves the issue for me

[RomneyDa]

Fixed by #11785
There may still be cases where this could happen when using one provider like Anthropic and then switching the same conversation to OpenAI. If you run into this, please open a new issue with details.