Error after Factorio-Update

[irgendsonOpfA]

Error while running event BlackMarket2::on_gui_click (ID 1)
Only elements in 'gui.screen' can use bring_to_front.
stack traceback:
[C]: in function 'bring_to_front'
BlackMarket2/control.lua:221: in function 'build_menu_gen'
BlackMarket2/control.lua:3091: in function <BlackMarket2/control.lua:3078>

[djmango]

fixed in latest!