Dear Customer,
You would need to run the initial load for Real Estate objects starting with /CRMRE/* via R3AS.
Before that, you should run the report SMOF_FILL_CRMATAB first, then the respective table name of the adaptor object would be synchronized to the table CRMATAB.
Regarding more information about the real estate, please check in the following Help Portal and Wiki page.
http://help.sap.com/crm_rem?current=crmaddons&show_children=false
http://help.sap.com/saphelp_rem10/helpdata/en/24/4d8c52747149e2bdcf1ddf83a644e8/frameset.htm
https://wiki.scn.sap.com/wiki/display/ERPFI/Real+Estate+Management
Thanks very much.
Best regards,
Julin Xin