title: app x1 cannot access app x2 data
body: <p>I copied some namespace data from x1 to x2 using remote api and lowlevel datastore api.</p>
  
  <p>I am accessing the x2 app, to get the following error for some data</p>
  
  <pre>
  java.lang.IllegalArgumentException: app x1 cannot access app x2's data
      at com.google.appengine.api.datastore.DatastoreApiHelper.translateError(DatastoreApiHelper.java:36)
      at com.google.appengine.api.datastore.DatastoreApiHelper$1.convertException(DatastoreApiHelper.java:76)
      at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:106)
      at com.google.appengine.api.datastore.FutureHelper$CumulativeAggregateFuture.get(FutureHelper.java:145)
  </pre>