When addiing a datafile to an existing tablespace, the following errors appear:
ERROR at line 1:
ORA-01119: error in creating database file
'D:\ORACLE\ORADATA\PROTECT\LOB2_8.DBF'
ORA-27040: file create error, unable to create file
OSD-04002: unable to open file
O/S-Error: (OS 3) The system cannot find the path specified
See Verify that the Protect database user has the correct privileges.