Dammit, new to the game, having started on circuitry yet. Was a blueprint. Sorry for the false positive.

Found one!

Next to the player is a Passive Provider Chest. Currently it's should be feeding the Fast Belt into the Express Machine, that's the only thing holding it back. But it's not, it's just waiting for something. If I replace the inserter it works. The save is just before I replace the ...

Sorry, I tried to recreate it, and I couldn't either. Sorry for wasting your time.

I'll see if I have any chests around that I can duplicate this on, and send a save with the player next to it.

Just to clarify, this was only happening on chests that prior to 15.18 had a chest limit, and once upgraded to 15.18, we increased the limit. Changing a chest that has already had an ...

I'm just noticing this with this patch, but when we change a chest stack filter (red X at the bottom right) from say 1 stack to the entire chest, inserters stop inserting into that chest. What's more strange is that it will stop mid stack. So say we wanted to increase train rails from 1 stack to the ...