Missing MapFieldTo property in mappings in all Maps of the Foundation model

Hi,

I am facing a problem in our DEV application with emtpy MapFieldTo property of all Maps of the Foundation model, e.g. see CustVendTable map

I have also tried to reinstall original foundation model, but nothing's changed. If I set up mappings in the USR layer, it's OK until I restart a client - a change is not written to the model store. I compiled the whole application with no errors and also did a full CIL compile.  We are using AX 2012 R2 + CU1.

Thanks