Fix a shutter door extending past the cabinet bottom edge
Check the shutter reduction values in Preferences > Cabinet/Wardrobe > Construction > Shutter System to explain a door that extends past the bottom edge.
A bottom reduction set in the design's construction preferences (Preferences > Cabinet/Wardrobe > Construction > Shutter System) is applied to a cabinet's shutter system when it is added.
An unexpected door extension past the bottom edge can be explained by checking the shutter reduction values in Preferences > Cabinet/Wardrobe > Construction > Shutter System.