The following two warnings show up in my Model.tt when building a VB edmx:
Compiling transformation: Variable 'errors' is passed by reference before it has been assigned a value. A null reference exception could result at runtime. (line 622)
Compiling transformation: Variable 'lazyLoadingAttributeValue' is passed by reference before it has been assigned a value. A null reference exception could result at runtime. (line 676)
Compiling transformation: Variable 'errors' is passed by reference before it has been assigned a value. A null reference exception could result at runtime. (line 622)
Compiling transformation: Variable 'lazyLoadingAttributeValue' is passed by reference before it has been assigned a value. A null reference exception could result at runtime. (line 676)