Hi!
I tested another mod, and for this I turned off all other mods, after I started turning them back on, after loading the save (as soon as the surface appears) the following error occurs:

Error while running event item-network-sa::on_nth_tick(1)
__item-network-sa__/src/NetworkChest.lua:672: attempt to index field '?' (a nil value)
stack traceback:
    __item-network-sa__/src/NetworkChest.lua:672: in function 'update_network_chest'
    __item-network-sa__/src/NetworkChest.lua:839: in function <__item-network-sa__/src/NetworkChest.lua:828>
    (...tail calls...)
    __item-network-sa__/src/GlobalState.lua:694: in function 'update_queue'
    __item-network-sa__/src/NetworkChest.lua:886: in function 'update_queue'
    __item-network-sa__/src/NetworkChest.lua:1015: in function <__item-network-sa__/src/NetworkChest.lua:1011>