[BUG] Whole system fails to pick-up/drop-off/read items when using chests directly connected to computer

[Yu-Vitaqua-fer-Chronos]

Heya, while setting up Artist for a friend, i set up the network and then the computer that they'd use for the interface. I set up pick-up and drop-off points on the left and right of the computer, but then there was errors popping up in the log (attached here: log.txt), but connecting the chests with modems do work

[SquidDev]

Chests not connected via a modem are never going to work, but I guess we should exclude them from being indexed and error when invalid configuration is given.

[Yu-Vitaqua-fer-Chronos]

Ah that's fair