Diagnosis
The owner settlement isset as active in Real Estate Customizing for this installation.
Therefore, a vendor number must be entered for each defined owner of anobject. No vendor exists for owner number &V1&.
An owner settlement cannot be carried under such circumstances.

System Response
This is just a warning message.

Procedure
Before carrying out an owner settlement you should assign owner &V1& avendor:
Position the cursor on owner &V1& and choose Change owner.
In the Role overview register double-click the role 0800Owner.
Then assign a vendor in the Control register in the Vendor
field.