Crash in a hosted MP game, was editing a production line

[VzioNARY]

` The mod Factory Planner (1.1.78) caused a non-recoverable error. Please report this error to the mod author.

Error while running event factoryplanner::Custom event (ID 286) LuaGuiElement API call when LuaGuiElement was invalid. stack traceback: [C]: in function 'index' factoryplanner/ui/base/modal_dialog.lua:173: in function 'enter' factoryplanner/ui/event_handler.lua:209: in function <factoryplanner/ui/event_handler.lua:189> [C]: in function 'raise_event' factoryplanner/util/raise.lua:20: in function 'open_dialog' factoryplanner/ui/main/production_handler.lua:120: in function 'handler' factoryplanner/ui/event_handler.lua:157: in function <factoryplanner/ui/event_handler.lua:114> stack traceback: [C]: in function 'raise_event' factoryplanner/util/raise.lua:20: in function 'open_dialog' factoryplanner/ui/main/production_handler.lua:120: in function 'handler' factoryplanner/ui/event_handler.lua:157: in function <factoryplanner__/ui/event_handler.lua:114> `

[saqneo]

+1 similar crash, did not get stack, but it occurs pretty often when two or more people are using the mod at the same time. We all thought it was a result of our own click (we clicked at the same time apparently), so maybe there is a synchronization issue in some function