Added caution about mixed datatype for metadata
Added caution about mixed datatype for metadata

Added caution about mixed datatype for metadata
sandrinodimattia/docs,khorne3/docs,Catografix/docs,hamzawi06/docs,hamzawi06/docs,yvonnewilson/docs,auth0/docs,Catografix/docs,Annyv2/docs,jeffreylees/docs,khorne3/docs,khorne3/docs,Annyv2/docs,Annyv2/docs,sandrinodimattia/docs,jeffreylees/docs,hamzawi06/docs,sandrinodimattia/docs,Catografix/docs,yvonnewilson/docs,auth0/docs,yvonnewilson/docs,jeffreylees/docs,auth0/docs