Not working on Storyboard.

[prateekpulp]

Trying to configure it in Storyboard but it is giving me this error.
All three properties are not coding complaint.

[Storyboard] Unknown class _TtC14DayCare_Module20UPCarouselFlowLayout in Interface Builder file.

Failed to set (sideItemScale) user defined inspected property on (UICollectionViewLayout): [<UICollectionViewLayout 0x7fa9a8400480> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key sideItemScale.

Failed to set (sideItemAlpha) user defined inspected property on (UICollectionViewLayout): [<UICollectionViewLayout 0x7fa9a8400480> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key sideItemAlpha.

Failed to set (sideItemShift) user defined inspected property on (UICollectionViewLayout): [<UICollectionViewLayout 0x7fa9a8400480> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key sideItemShift.

[wesoo]

Any solution? I have the same Problem declaraning key path in storyboard.