Please report this error to the mod author.

Error while running event Transport_Drones_Meglinge_Fork::on_player_built_tile (ID 52)
__Transport_Drones_Meglinge_Fork__/script/road_network.lua:267: attempt to call method 'remove_from_network' (a nil value)
stack traceback:
    __Transport_Drones_Meglinge_Fork__/script/road_network.lua:267: in function 'set_node_ids'
    __Transport_Drones_Meglinge_Fork__/script/road_network.lua:346: in function 'add_node'
    __Transport_Drones_Meglinge_Fork__/script/proxy_tile.lua:28: in function 'raw_road_tile_built'
    __Transport_Drones_Meglinge_Fork__/script/proxy_tile.lua:74: in function 'handler'
    __core__/lualib/event_handler.lua:72: in function <__core__/lualib/event_handler.lua:70>
 125.899 Error ServerMultiplayerManager.cpp:84: MultiplayerManager failed: "The mod Transport Drones (1.0.26) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event Transport_Drones_Meglinge_Fork::on_player_built_tile (ID 52)
__Transport_Drones_Meglinge_Fork__/script/road_network.lua:267: attempt to call method 'remove_from_network' (a nil value)
stack traceback:
    __Transport_Drones_Meglinge_Fork__/script/road_network.lua:267: in function 'set_node_ids'
    __Transport_Drones_Meglinge_Fork__/script/road_network.lua:346: in function 'add_node'
    __Transport_Drones_Meglinge_Fork__/script/proxy_tile.lua:28: in function 'raw_road_tile_built'
    __Transport_Drones_Meglinge_Fork__/script/proxy_tile.lua:74: in function 'handler'
    __core__/lualib/event_handler.lua:72: in function <__core__/lualib/event_handler.lua:70>"

got this error when connecting road tile, which is not deleted after depot is removed, to another road (network)