check if log is nil before using it
check if log is nil before using it

ericflo/Sia,mtlynch/Sia,MrStrong/Sia,ChrisSchinnerl/Sia,mharkus/Sia,NebulousLabs/Sia,ChrisSchinnerl/Sia,ericflo/Sia,NebulousLabs/Sia,mharkus/Sia,mtlynch/Sia,MrStrong/Sia