Oracle Error Message
ORA-30136: Drop-in compatibility is not supported for this application
Reason for the Error
The current application is statically linked with defopt.o from an older release, which is incompatible with the current client shared library.
Solution
1) Relink the application against the new release of the client library; or 2) Relink the application against the older release of the client library without statically linking defopt.o.