Kept getting this in our errors, under Self.Errbit rather than for ou…

…r app:

NoMethodError: undefined method `[]' for nil:NilClass
tracing to [PROJECT_ROOT]/app/models/notice.rb:127 → block in sanitize
Looks like line can be nil, in which case line['blabla'] will make a SNAFU. A test for line not nil seemed the cheapest solution here.

app/models/notice.rb

@@ -124,7 +124,7 @@ def sanitize
       send("#{h}=",sanitize_hash(send(h)))
     end
     # Set unknown backtrace files
-    backtrace.each{|line| line['file'] = "[unknown source]" if line['file'].blank? }
+    backtrace.each{|line| line['file'] = "[unknown source]" if line && line['file'].blank? }
   end
 
   def sanitize_hash(h)