Cause . . . . . : An attempt was made to add relational database directory entry &1 when an existing entry identified as &1 already exists in the directory. Relational database directory entries must be unique within the directory. Recovery . . . : If the relational database directory entry needs to be added to the directory remove the existing entry (RMVRDBDIRE command) and add the new entry (ADDRDBDIRE command). Otherwise, choose a unique relational database alias for identifying the database within the directory.