Message Oracle ORA-28376 - cannot find PKCS11 library

ERROR	cannot find PKCS11 library
CAUSE	The HSM vendors library cannot be found.
ACTION	Place the HSM vendors library in the following directory structure: For Unix like system: /opt/oracle/extapi/[32,64]/hsm/{VENDOR}/{VERSION}/lib. For Windows systems: %SYSTEM_DRIVE%oracleextapi[32,64]hsm{VENDOR}{VERSION}lib. [32, 64] - refers to 32bit or 64bit binary. {VENDOR} - The name of the vendor supplying the library. {VERSION} - Version of the library, perferably in num#.num#.num# for// mat.