Trying to change direction of automatic train moving on a path.
stack traceback:
[C]: in function 'newindex'
...splinterunderground/prototypes/scripts/underground.lua:1256: in function 'local_set_train_heading'
...splinterunderground__/prototypes/scripts/underground.lua:1407: in function 'local_train_transfers_tick'
...splinterunderground__/prototypes/scripts/underground.lua:1527: in function <...splinterunderground__/prototypes/scripts/underground.lua:1526>
9562.350 Error ServerMultiplayerManager.cpp:91: MultiplayerManager failed: "The mod ModMash Splinter, Underground + Subways (1.1.42) caused a non-recoverable error.
