Had a train dropping off Iron Ore and got this error. Should this go here or with Simple Bot Start?

The mod trainsaver (0.1.1) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event trainsaver::on_tick (ID 0)
The mod Simple Bot Start (1.0.5) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event SimpleBotStart::on_cutscene_finished (ID 202)
SimpleBotStart/control.lua:145: attempt to index a nil value
stack traceback:
SimpleBotStart/control.lua:145: in function <SimpleBotStart/control.lua:114>
stack traceback:
[C]: in function 'set_controller'
trainsaver/util/cutscene.lua:45: in function 'set_cutscene_controller'
trainsaver/util/cutscene.lua:72: in function 'play_cutscene'
trainsaver/control.lua:454: in function 'cutscene_next_tick_function'
trainsaver/control.lua:519: in function <trainsaver/control.lua:518>