Copied a section of rail and train and stringy train stop (train stop name not part of the bp I think) and the mod crashed when I pasted it.

The mod Creative Mod (1.7.2) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event creative-mod::on_tick (ID 0)
The mod Stringy Train Stops (1.1.0) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event stringy-train-stop::script_raised_revive (ID 80)
stringy-train-stop/control.lua:348: attempt to index field 'created_entity' (a nil value)
stack traceback:
stringy-train-stop/control.lua:348: in function <stringy-train-stop/control.lua:347>
stack traceback:
[C]: in function 'revive'
creative-mod/scripts/util.lua:227: in function 'revive_entity_ghost_and_raise_event'
creative-mod/scripts/cheats.lua:2653: in function 'tick'
creative-mod/scripts/events.lua:186: in function <creative-mod/scripts/events.lua:148>