If you are facing any issues with the Dropbox backup feature, please try the following steps to troubleshoot the issue.
These steps might solve your problem at hand
– Deactivate the Noteshelf app from the Dropbox website under ‘Manage Devices’ & re-authenticate again from within the app. ‘Manage Devices’ in Dropbox
– Try unchecking the hung up notebooks once and select them again to restart the backup process on them.
– If the above steps don’t work, go into the ‘Settings’ app of your iPad and under the Noteshelf app, turn OFF the ‘Safe Mode’. This should fix the issue for good. Safe Mode in Apple device Settings
Feel feel to reach out to our support team by clicking here, should you need any assistance.