java.lang.NoClassDefFoundError: oracle/security/am/engines/rreg/common/RegistrationRequest

<Error> <oracle.oam.config> <BEA-000000> <BOOTSTRAP_FAILURE java.lang.NoClassDefFoundError: oracle/security/am/engines/rreg/common/RegistrationRequest at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2427) at java.lang.Class.privateGetPublicMethods(Class.java:2547) at java.lang.Class.getMethods(Class.java:1410) at oracle.security.am.admin.config.mgmt.beanimpl.AMBootstrap.isBootstrapCandidate(AMBootstrap.java:191) at oracle.security.am.admin.config.mgmt.beanimpl.AMBootstrap.invokeBootstrapMethods(AMBootstrap.java:146) at

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