I cannot figure out how to enter Technical Specifications: Film Length in feet (ft.)

It keeps rejecting the "non-numeric value." I have tried variations: "feet", "ft.", "ft", and the punctionation mark: '
But none of them work. I see other examples in meters that use "m", which is also a "non-numeric value," but I cannot figure out how to get feet to work, and cannot find any existing examples to copy. The data that I have to add is in feet, not meters.

It keeps rejecting the "non-numeric value." I have tried variations: "feet", "ft.", "ft", and the punctionation mark: '
But none of them work. I see other examples in meters that use "m", which is also a "non-numeric value," but I cannot figure out how to get feet to work, and cannot find any existing examples to copy. The data that I have to add is in feet, not meters.





Ed Jones(XLIX)
Ed Jones(XLIX)