Workdays formula to work with multilevel sub-item board

Feature requests
,
1

Description

Formula does not work in Formula column to calculate number of workdays in multilevel sub-item boards.
WORKDAYS({Planned Timeline#End}, {Planned Timeline#Start})

What are you trying to achieve

Calculate the number of worksdays (excluding weekends) in a multilevel sub-item board.

2

The WORKDAYS() formula doesn’t currently work in multilevel sub-item boards, even though it works on main items.