Error while creating oud as a provider in weblogic

Can anyone help to resolve this issue, i'm creating an oud as authentication provider and getting below error.

<Mar 2, 2017 7:01:41 PM IST> <Error> <Console> <BEA-240003> <Console encountered the following error weblogic.security.providers.authentication.LDAPAtnDelegateException: [Security:090279]Error listing users *

        at weblogic.security.providers.authentication.LDAPAtnDelegate.listUsers(LDAPAtnDelegate.java:2304)

        at weblogic.security.providers.authentication.LDAPAuthenticatorImpl.listUsers(LDAPAuthenticatorImpl.java:178)

        at weblogic.security.providers.authentication.IPlanetAuthenticatorMBeanImpl.listUsers(IPlanetAuthenticatorMBeanImpl.java:220)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:606)

        at weblogic.management.jmx.modelmbean.WLSModelMBean.invoke(WLSModelMBean.java:437)