Improved error message for writing to inaccessible field
Improved error message for writing to inaccessible field

dckc/ponyc,darach/ponyc,sgebbie/ponyc,jupvfranco/ponyc,ponylang/ponyc,malthe/ponyc,ponylang/ponyc,jonas-l/ponyc,CausalityLtd/ponyc,ryanai3/ponyc,boemmels/ponyc,kulibali/ponyc,jemc/ponyc,doublec/ponyc,kulibali/ponyc,ryanai3/ponyc,sgebbie/ponyc,mkfifo/ponyc,cquinn/ponyc,lukecheeseman/ponyta,kulibali/ponyc,kulibali/ponyc,darach/ponyc,Perelandric/ponyc,Theodus/ponyc,jupvfranco/ponyc,mkfifo/ponyc,doublec/ponyc,jupvfranco/ponyc,Theodus/ponyc,Theodus/ponyc,boemmels/ponyc,Perelandric/ponyc,CausalityLtd/ponyc,jonas-l/ponyc,Praetonus/ponyc,darach/ponyc,lukecheeseman/ponyta,Perelandric/ponyc,shlomif/ponyc,boemmels/ponyc,sgebbie/ponyc,mkfifo/ponyc,lukecheeseman/ponyta,dipinhora/ponyc,ponylang/ponyc,malthe/ponyc,ryanai3/ponyc,doublec/ponyc,pap/ponyc,sgebbie/ponyc,jemc/ponyc,cquinn/ponyc,Praetonus/ponyc,dipinhora/ponyc,shlomif/ponyc,boemmels/ponyc,dipinhora/ponyc,mkfifo/ponyc,malthe/ponyc,Perelandric/ponyc,pap/ponyc,Praetonus/ponyc,Theodus/ponyc,mkfifo/ponyc,boemmels/ponyc,jonas-l/ponyc,jupvfranco/ponyc,malthe/ponyc,Perelandric/ponyc,pap/ponyc,sgebbie/ponyc,jemc/ponyc,dckc/ponyc,CausalityLtd/ponyc,jupvfranco/ponyc,Theodus/ponyc,Praetonus/ponyc,cquinn/ponyc,cquinn/ponyc