Unhandled SB-KERNEL:SIMPLE-PACKAGE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING {10049E7623}>: no symbol named "ROUTING-RULE-IDENTIFIER" in "NINGLE.APP"
I think the report is based on older master branch.
(I updated Caveman right after git pushing ningle)
Could you try it again and check if the error is still reported?
http://report.quicklisp.org/caveman/2014-11-14/failtail.txt has the details: