Added event logging for missing file data. Also added error message to end user instead of unprofessional exception.
Added event logging for missing file data. Also added error message to end user instead of unprofessional exception.

YAFNET/YAFNET,Pathfinder-Fr/YAFNET,YAFNET/YAFNET,Pathfinder-Fr/YAFNET,moorehojer/YAFNET,moorehojer/YAFNET,moorehojer/YAFNET,Pathfinder-Fr/YAFNET,mexxanit/YAFNET,YAFNET/YAFNET,YAFNET/YAFNET,mexxanit/YAFNET,mexxanit/YAFNET