Mod Footswitch BUG with swithbox plugin!

Hi,
I found a problem:
when I assign 2 switchbox plugin, (one on footswtich1 and second on footswich 2)
, the footswich doesn’t work (see picture)mod

second example :
if I assign 4 switchbox on the 4 buttons, it’s the third who doesn’t work (see picture) :mod%202