<str> a pre-beta test 5  version  of  a  T7.0  database  is  not
  supported

  Explanation:  You have attempted to convert a T7.0 database that
  was  created with a version of Oracle Rdb software prior to beta
  test 5 or you have attempted to restore a T7.0 database that was
  backed  up  with  a version of Oracle Rdb software prior to beta
  test 5.  This is not supported.

  User Action:  Do one of the following:  o Recreate the  database
  using  the current version of Oracle Rdb.  o Unload the database
  using the Oracle Rdb T7.0 beta test software and then  load  the
  database  using the current version of Oracle Rdb.  o Export the
  database using the Oracle Rdb T7.0 beta test software  and  then
  import the database using the current version of Oracle Rdb.