If your sync server has not pushed any data successfully over the long period of time but imports are working correctly, please try the below.
Manually recreated the record and Expand the myday database and locate the table you wish.
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Right click on dbo.SyncTableVersion and click on Edit Top 200.
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Within the RecordCount column of your desired outgoing table, increment it by +1 and click anywhere to save.
You can either wait for Myday to pick up the latest change changes in the control panel or sync the incoming table listed in sync-eu.mydaycloud.com.
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If you’re still unable to see the PushTableChanges then please log a support ticket here.
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