DBDriver failed to load

Hi,

When i tried set Universe perameter it showing following error

Version: BOXI 3.1

Oracle client in BO server and database is in Oracle 11G

DB Driver Failed to load : E:\Program Files(x86)\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\dataAccess\connectionServer\dbd_oci.dll (The specified module could not be found) Network layer is not avilable (DAC0002)

Thanks