i didn't get any error.

SET NOCOUNT ON

DECLARE @crdate DATETIME,

@days varchar(3),

@hr VARCHAR(50),

@min-2 VARCHAR(5)

SELECT @crdate=crdate FROM sysdatabases WHERE name='tempdb'

SET @min-2 = DATEDIFF (mi,@crdate,GETDATE())

PRINT @min-2

PRINT '-------------'

SET @days= @min-2/1440

print @days

PRINT '-------------'

Result:

24293

------------------------

16

------------------------