You will get a simple red box saying 'Region option not available ignoring feature for each character also all drones are broken otherwise works fine.'
Install
https://github.com/dmustanger/7dtd-ServerTools/releases/download/20.3.4/7dtd-ServerTools-20.3.4.zip
You need to delete drones entities just enter dm and type 'le' find the drones listed and then type st-er or maybe it was st-re then hit space type IDNUMBEROFDRONE click enter then go to the world save located here (X is your assigned drive mine is S

X:\Users\YOURUSERNAME\AppData\Roaming\7DaysToDie\Saves
delete this and all will be well.
View attachment 24604
Its located in the world save file by the way example '\AppData\Roaming\7DaysToDie\Saves\West Fujapiju Valley\0014'
Otherwise even though the drones are gone the icons wont be.
Can an admin pin this for now?