pkg upgrade not working properly [SOLVED]

[Nagy László Zsolt]

> Depending on what version of FreeBSD you're using, you might need to set
> a variable in make.conf to get various utilities to know to use
> pkgng. [I doubt this is necessary or useful any more, but I'm not
> completely sure.]
Thank you for your help. Using your suggestions I have managed to remove 
all ports, and then reinstall all required ones.