Hi all,
I have a problem that my flow won't work all the time. I want to copy the documentset to a new library, this works all the time. In the next step i need to update a people picker field, a SharePoint owner group is this. 50% of the time the fields wont update.
I can't find in the flow why it works half of the time. Here is my flow:

The last step, Update file properties will work 50% of the time. If i check the body input and the body output, the values are the same, that why it strange the field are not updated.
I guess maybe the problem is more in SharePoint Online instead of Flow. I use documentsets, so all the files inside the documentset need to copy the same value as the files.