ChatGPT sometimes won't give a result with no error

Hello, I am having an issue with the ChatGPT module.

I have a scenario where I receive a message from ChatGPT, which then goes to another ChatGPT module that processes the message and subsequently sends it to email.

The problem is that the second ChatGPT module has a ±60% chance of not sending (creating) a “result” even though it receives the input correctly. The images show both outputs without any changes to the scenario.

image 1 with no result

image 2 with result → correct response

Two things are interesting (atleast in my eyes). The first is that it does not cause any error. The second is that despite no changes in the scenario, sometimes the run is successful and sometimes it is not.

I would like to ask if you know why this is happening, or how to create a loop that would repeat the second module (without having to repeat the entire scenario, because I would burn through a large number of tokens).

The problem arises when a reasoning model is involved, regardless of which one. Does anyone know what to do about this?

Thanks.

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Hello,

I found the answer. When I was preparing all the information I wanted to send here, the second model did not give me an answer 10 times in a row. It was a reasoning model with a high reasoning value set.

The output token limit was 5000 so that the resulting report from the module would not be too long.
But then I noticed a magic sentence in the module: “When using reasoning models such as the o1 models, this value is the sum of reasoning + output tokens.”
With a limit of 5000, the reasoning was long and exhausted the limit without a response. Once I removed the limit, everything worked as it should.

But otherwise, thank you for your reply.