Fix a few exception messages.
Fix a few exception messages.

SecureCloud-biz/predis,vend/predis,gencer/predis,lvbaosong/predis,dzung2t/predis,mrkeng/predis,CloudSide/predis,zhangyancoder/predis,moria/predis,nguyenthaihan/predis,oswaldderiemaecker/predis,stokes3452/predis,RudyJessop/predis,johnhelmuth/predis,nrk/predis,SwelenFrance/predis,quangnguyen90/predis,WalterShe/predis,gopalindians/predis,protomouse/predis