fixed

packages/bookshop/srv/utils.js

@@ -19,10 +19,12 @@ const queriesToUpdateDifferences = (entity, ownEntries, otherEntries) =>
         if (Object.keys(diff).length) {
           return UPDATE(entity)
             .set(differences)
-            .where({
+            .where(
-              BusinessPartner: ownEntry.BusinessPartner,
+              Object.keys(entity.keys).reduce(
-              AddressID: ownEntry.AddressID
+                (res, curr) => (res[curr] = ownEntry[curr]) && res,
-            })
+                {}
+              )
+            )
         }
       }
     })