Fix error messages when repository directory does not exist.
Fix error messages when repository directory does not exist.

svartika/ccnx,cawka/ndnx,ebollens/ccnmp,svartika/ccnx,ebollens/ccnmp,cawka/ndnx,svartika/ccnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,ebollens/ccnmp,cawka/ndnx,ebollens/ccnmp,svartika/ccnx