Expression is of type '<typename>', which is not a collection type
The group variable specified in a For Each statement is not a collection object or an array, and its type does not implement theinterface. The type must either support the Visual Basic collection design pattern or implement IEnumerable.
Error ID: BC32023
To correct this error
Declare the group variable to be of a class type that either supports the Visual Basic collection design or implements IEnumerable.