Dropbox is failing to reply to the app - TMS FNC Cloud Pack - TMS Support Center

A user of my app is reporting a new problem with Dropbox. The permission screen appears and then he gets an error: Most of the users who have tried out my app with the TMS FNC Cloud Pack library are reporting no issues with Dropbox.

TMS FNC WX Pack (Trial) - components not working in Android

New FNC versions do not install properly in Delphi 10.4.2 - TMS

Setup of FNC Core fails - TMS FNC Core - TMS Support Center

TMS FNC UI Pack Delphi UI components: Grid, Planner, Treeview

TMS FNC UI Pack: Planner control for FireMonkey

AV in VCL.TMSFNCCloudBase.Win - TMS FNC Cloud Pack - TMS Support

TMS FNC Cloud Pack Delphi REST components to access Google

TMS FNC Cloud Pack Delphi REST components to access Google

TMS FNC UI Pack Delphi UI components: Grid, Planner, Treeview

Dropbox is failing to reply to the app - TMS FNC Cloud Pack - TMS