[wheybags]scenario crash

[delaporte]

random crash with unknown source
map version: 0.17.54-2
OS: ubuntu 18.04 64-bit
log:
1640.668 Error MainLoop.cpp:1184: Exception at tick 4337316: The scenario level caused a non-recoverable error.
Please report this error to the scenario author.

Error while running event level::on_tick (ID 0)
__base__/lualib/npe/helper-branches.lua:1131: bad argument #2 of 2 to 'random' (interval is empty)
stack traceback:
[C]: in function 'random'
__base__/lualib/npe/helper-branches.lua:1131: in function 'init'
__core__/lualib/story_2.lua:231: in function 'jump_to_node'
__core__/lualib/story_2.lua:196: in function 'update'
__base__/lualib/npe/helper_story.lua:40: in function '?'
__base__/lualib/event_handler.lua:7: in function <__base__/lualib/event_handler.lua:4

[wheybags]

Thanks for the report. Fixed for the next version