Sync Error : Invalid column name 'Base Hash'

HI all,

While upgrading the DB from NAV 2015 to NAV 2017 CU 2.1, the below error is coming.

we have converted the DB to NAV 2017 after converted, we have imported the Application objects and upgrade tool kit objects with sync option later, then we are trying to sync db with Option :: Validation.

we are trying the below steps :

https://msdn.microsoft.com/en-us/dynamics-nav/upgrading-the-data



The following SQL error was unexpected:
Invalid column name 'Base Metadata'.
Invalid column name 'Base Hash'.
Statement(s) could not be prepared.

SQL : 2012

please suggest on this issue


Thanks & Regards,
Teja . G