Message Oracle TNS-00527 - Protocol Adapter not loadable

ERRORProtocol Adapter not loadable
CAUSEOn some platforms (for example OS/2) protocol adapters are loaded at run-time. If the shared library (or DLL) for the protocol adapter is missing or one of its supporting libraries is missing, then this error is returned.
ACTIONFor further details, turn on tracing and reexecute the operation. The trace file will have the name of the shared library (or DLL) that could not be loaded.