Game breaking bug! When you used the upgrade planner and copy your belts afterward it will count current belts but paste the planned ones. I have Space exploration installed so this might
Factorio: 10 Beginner Tips
Confused by Construction Robots + Upgrade Planner : r/factorio
24] Upgrade Planner | The Black Marketeer - Modded Factorio - YouTube
Upgrade planner - Factorio Wiki
Factorio Prints
Factorio 1.0 - Ep 30 Upgrade Planner - YouTube
Noob] upgrade belts with upgrade planner - Factorio Forums
Upgrade Builder and Planner - Factorio Mods
Had my "a thousand hours in and just realized" moment. You can put upgrade and destruction planners in blueprint books/libraries. : r/factorio