[DF] Use TLeaf::GetFullName in error message
[DF] Use TLeaf::GetFullName in error message

..rather than building the leaf name "by hand".

olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root