If other mods increase the reach distance above 320, this mod will report an error when the "use reach distance to pick up items from the floor" option is enabled:
Error while running event RPGsystem::on_gui_click (ID 1)
Given value has to be smaller than or equal to: 320
stack traceback:
[C]: in function 'newindex'
__RPGsystem/control.lua:1209: in function RPGsystem/control.lua:1162
Suggest adding a check before enabling the option to avoid Given value farther than 320.