Got this error (https://i.imgur.com/0M4lJNW.png) when trying to mine a connector placed by a Construction Drone from https://mods.factorio.com/mod/Construction_Drones. The reason I mined it was because the connector wasn't on the other surface after being placed by the Drone.
Factorio version: 0.17.56
Mod list:
"deadlock-beltboxes-loaders",
"beltlayer",
"Diesel-Locomotive",
"wireless-power",
"Teleporters",
"Construction_Drones",
"rso-mod",
"PickerPipeTools",
"electric-vehicles-reborn",
"LogisticTrainNetwork",
"InfiniteTech",
"LTN_Content_Reader",
"crafting_combinator",
"Expanded_Color_Lamps",
"electric-vehicles-graphics",
"Geothermal"