After loading my save the lane balancers stopped working and had to be replaced , after replacing my filtered lane balancer and exiting the menu after i've set the filter it crashes and outputs this :
Error while running event LaneBalancer::on_gui_closed (ID 85)
LaneBalancer/BalancerClass.lua:231: attempt to index field 'outDevice' (a nil value)
stack traceback:
LaneBalancer/BalancerClass.lua:231: in function 'UpdateFilters'
LaneBalancer/eventsHandler.lua:68: in function <LaneBalancer/eventsHandler.lua:60>

Hello,
Could you please confirm that you use release 1.0.8 of LaneBalancer?

Sorry for the late reply , i am using the 1.0.8 version . I checked the version with file explorer and the in-game factorio mod tab

Ok, so I do not understand what could be the cause of this issue. "outDevice" is checked for nil value just before line 231.
In the meantime could you please try to setup filters only when a balancer is setup with in AND out valid devices and let me know if error fire again.

I did as you asked and made a video showcasing it ; https://streamable.com/2yeicw

Many thanks for that. In fact error occured when you "copy" LaneBalancer and then set filter. Am I right?

If i put a lane balancer alone , without another existing in the world , it still crashes. using q or ctrl+c or alt+b doesn't change the outcome

Ok, thanks for reporting, will check that ASAP in detail.

Issue has been trapped in code thanks to your report. Will post a fix soon.

Should be fixed in 1.0.9
When trying to set filters for any unconnected LaneBalancer you will get a warning message but game will no longer crash anyway. Therefore just add in and out devices, validate filters again and it should work.

It stops working after save and load for me; I wonder if its because I have bob's adjustable inserter's mod also since i see the inserter menu when i click on the balancer

Actually just saving and loading doesnt seem to be an issue...I think the problem originates from changing the list of active mods

Same problem here, just loaded my game and the balancers weren't working. I didn't change the list of active mods or anything. They just stopped working. Removing them and putting them back fixes it, but that really sucks. My base is still small so it wasn't hard but this is not gonna be good once it's bigger.

Yeah I just used this with 1.0 and after loading the save, the balancers stopped working. GG savegame.. well I was playing too much factorio anyways.

Same here, doesn't work on save load, and doesn't work when placed with bots either.

still doesnt work when you load a save

I am fairly new to this but have the same problem with the lane balancers not resuming upon load.

I started a game, saved the game, installed the mod (it is the only mod I have installed), loaded the game and started using lane balancers, saved the game, and finally loaded the game.

Should be solved in 1.2. Please report here in case of remaining issues.

Seems to be resolved! Thank you!

TY for feedback!