java lang RundtimeException Tried to call nil

What cartridge are you playing?
"60 Jahre SG Dynamo Dresden" 
http://www.wherigo.com/cartridge/details.aspx?CGUID=91578fcd-e71e-4107-9380-cc66
5937bad3 

What is your phone/PDA manufacturer and model? What GPS are you using?
Sony Xperia Z3C (Android 5.0.2)

What steps will reproduce the problem?
When i go into a area (area 10), then hit the error.

What is the expected output? What happens instead?
A Popover popup with the message "java.lang.RundtimeException: Tried to call 
nil.

If you see an error screen, please type its contents here:
I made screenshot as a attachement.

What version are you using?
0.8.13

Original issue reported on code.google.com by joerg.zi...@gmail.com on 26 Jul 2015 at 9:09

matejcik / openwig

java lang RundtimeException Tried to call nil #267