Due to constantly evolving technology, the database compatibility level will need to be adjusted to 110 (SQL Server 2012) or greater. You can do this manually or by running a query.
Manual
This presumes your SQL Server has also been upgraded; if it has not, you'll need to simply run the query below.
- In SQL Server Management Studio, right-click on the database and select Properties
- Click on the Options tab
- In the Compatiblity level dropdown, change to SQL Server 2012 (110) (or greater if that's available)
Query
Alter Database (YOUR DB) set compatibility_level = 110