Unknown error on Facebook Graph API

Describe the problem/error/question

I have some issues with the Facebook API.
I want to post a video on Instagram. Creating the container works every time, then I check for the status and as soon as it is finished, I want to publish the media. But this step always fails. I checked the Token, permissions and tested it with the Graph API explorer. It works there. I also tried a Http Request node. But whatever I do, I always get the an unknown error message.

What is the error message (if any)?

An unknown error has occurred.

Please share your workflow

Share the output returned by the last node

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