Hello,

My issue is I am mapping a legacy db and don't exactly have permission
to modify anything I want, I just have to map it. There are these two
tables that are joined over two columns.

Both tables have composite keys. The parent is over 2 keys, the child
over 3.

Right now I have a reference from the parent to the child as a list
and the child has a references to the parent.
I also have a composite defined on the child that spans 3 properties.
Errors I get are "System.Int32" when I use key properties and when I
use key references I get "unmapped class System.Int32".

This system is for cars makes and models, and I do not know why there
is a version column.

Table structure:

Parent
MakeID (int)
VersionID (int)

Child
MakeID (int)
VersionID (int)
Year (int)


I apologies in advance if this is a real basic question but I've been
struggling with this for days.

Thanks,

Brad Laney

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