The downscoped token maintains its validity for nearly an hour. Therefore, any potential errors shouldn’t arise until after this 60-minute window has passed. Strangely though, when I reload the page, the Content Explorer displays the file list, confirming the token’s validity. Nevertheless, I encounter problems when attempting to preview the file.
Certainly, I appreciate your willingness to involve your team in addressing this case. Your collaboration is valuable, and I look forward to any insights or updates your team can provide.