Bug on FB Messenger

[guhur]

When the bot does not understand a message (here frgt), it crashes:

173.252.123.141 - - [09/Aug/2016:09:49:23 +0200] "POST /[verify_token]/fbmessenger HTTP/1.1" 500 197078 0.0534
I, [2016-08-09T09:49:26.982969 #12282] INFO -- : frgt
I, [2016-08-09T09:49:26.983503 #12282] INFO -- : find_by_answer frgt context: home
I, [2016-08-09T09:49:26.983728 #12282] INFO -- : dont_understand #<OpenStruct from="1259636124081609", text="frgt">
I, [2016-08-09T09:49:26.983911 #12282] INFO -- : find_by_name system/dont_understand
I, [2016-08-09T09:49:26.984123 #12282] INFO -- : format_answer: system/dont_understand
NoMethodError: undefined method []' for nil:NilClass /Users/pierre-louis/src/giskard/bot/navigation.rb:184:inget'
/Users/pierre-louis/src/giskard/bot/fbmessenger_bot.rb:127:in block (2 levels) in <class:FBMessengerBot>' /Users/pierre-louis/src/giskard/bot/fbmessenger_bot.rb:122:ineach'
/Users/pierre-louis/src/giskard/bot/fbmessenger_bot.rb:122:in `block in class:FBMessengerBot'
...

[thibauld]

Does this bug still stand after your PR ?

[guhur]

No I close it