Prevent fatal error caused by empty categories
Prevent fatal error caused by empty categories

Morik/WCF,Morik/WCF,SoftCreatR/WCF,0xLeon/WCF,Cyperghost/WCF,Morik/WCF,MenesesEvandro/WCF,0xLeon/WCF,joshuaruesweg/WCF,Cyperghost/WCF,NBZ4live/WCF,Morik/WCF,WoltLab/WCF,MenesesEvandro/WCF,Cyperghost/WCF,Cyperghost/WCF,0xLeon/WCF,cashcat/WCF-1,SoftCreatR/WCF,Cyperghost/WCF,joshuaruesweg/WCF,SoftCreatR/WCF,cashcat/WCF-1,joshuaruesweg/WCF,WoltLab/WCF,SoftCreatR/WCF,WoltLab/WCF,WoltLab/WCF,NBZ4live/WCF