If you place a blueprint Underground Pipe Connector, and in underground mode, rotate the blueprint, it crashes.
The mod Pipelayer (0.5.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event pipelayer::on_player_rotated_entity (ID 20)
Neighbours can't be used on this entity.
stack traceback:
[C]: in function 'index'
__pipelayer/Editor.lua:79: in function 'newest_connected_network'
pipelayer/Editor.lua:447: in function 'on_player_rotated_entity'
pipelayer/control.lua:42: in function <pipelayer/control.lua:42>