Convert(datetime, DATEDIFF(day, 0, GETDATE())) worked

IF EXISTS(

select 1 from Xlog where LogDATE >= cast(getDate() as date) -- should this be datetime if i have Sql server 2005?

)

then PRINT 'Record already exists.' ;

results in an error as

Msg 156, Level 15, State 1, Line 4

Incorrect syntax near the keyword 'then'.