I am getting below error while creating workspace using repository assistant in oracle warehouse builder:

I dont understand what permission i have to give to PDBORCL. The tnsname.ora file contains below information:
LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS\_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(CONNECT\_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
)
)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT\_DATA =
(SERVER = DEDICATED)
(SERVICE\_NAME = orcl.localdomain)
)
)
LOCAL_DB=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT\_DATA =
(SERVER = DEDICATED)
(SERVICE\_NAME = PDBORCL.LOCALDOMAIN)
)
)
OWBSYS=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT\_DATA =
(SERVER = DEDICATED)
(SERVICE\_NAME = orcl.localdomain)
)
)