MSSQL Troubleshooting

1. Invalid Object name 'string_split'

After running this:

 SELECT * FROM STRING_SPLIT('Heavens,to,Betsy', ',');

You see this error:

Msg 208, Level 16, State 1, Line 1
Invalid object name 'string_split'.

Run this to fix:

ALTER DATABASE [<DBName>] SET COMPATIBILITY_LEVEL = 130