Re-link FOS and FM accounts
A mobile user may receive the below error: Issue while syncing FOS calendar. We cannot seem to understand the data from your FOS server. Check your FOS host url and make sure its correct, also make sure your device can reach an internet web page e.g. when using a hotel or airport wifi. This will require the FOS and FM account be re-linked from within the FOS Mobile & Web Management module.
To re-link FOS and FM accounts for mobile connection, log into FOS, go to Mobile & Web Management, locate the users email address in the username column and ensure their FOS ID is selected in the box to the left. Once that is done, the user should sign out of the Mobile app and sign back in.

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