Format error when creating measure

Yes, i understand that but how do we handle because i want to use it as a condition where there is blank it should consider value from another column.

chavanr 

Try it like this.

Time out testing =
IF (
    'Weighing Details New'[Time Out] = BLANK (),
    'Weighing Details New'[New Weighing data.Timeout],
    'Weighing Details New'[Time Out]
)

or this

Time out testing =
IF (
    ISBLANK ( 'Weighing Details New'[Time Out] ),
    'Weighing Details New'[New Weighing data.Timeout],
    'Weighing Details New'[Time Out]
)

or this

Time out testing = COALESCE ( 'Weighing Details New'[Time Out], 'Weighing Details New'[New Weighing data.Timeout] )

i have done the transformation in m query using If with conditional column