Fix ProductClass form messages
Fix ProductClass form messages

jreigel/saleor,itbabu/saleor,jreigel/saleor,UITools/saleor,UITools/saleor,car3oon/saleor,tfroehlich82/saleor,car3oon/saleor,maferelo/saleor,UITools/saleor,UITools/saleor,jreigel/saleor,maferelo/saleor,KenMutemi/saleor,KenMutemi/saleor,mociepka/saleor,UITools/saleor,mociepka/saleor,mociepka/saleor,maferelo/saleor,HyperManTT/ECommerceSaleor,HyperManTT/ECommerceSaleor,tfroehlich82/saleor,tfroehlich82/saleor,itbabu/saleor,HyperManTT/ECommerceSaleor,itbabu/saleor,KenMutemi/saleor,car3oon/saleor