Error while creating custom BO

SYSUSER - 247213-582-1  2019-11-13 13:53:12,333 [[ACTIVE] ExecuteThread: '5' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR (web.dataservlet.PageAdd) Unexpected error.

com.splwg.shared.common.LoggedException: Failed ADD due to EJBException

        at com.splwg.shared.common.LoggedException.wrap(LoggedException.java:199) ~[spl-shared-4.3.0.4.0.jar:?]

        at com.splwg.shared.common.LoggedException.wrap(LoggedException.java:87) ~[spl-shared-4.3.0.4.0.jar:?]

        at com.splwg.serviceclient.ServiceClientHelper.wrapRemoteException(ServiceClientHelper.java:61) ~[spl-serviceclient-4.3.0.4.0.jar:?]

        at com.splwg.serviceclient.RemotePageServiceDispatcherHelper.doIt(RemotePageServiceDispatcherHelper.java:23) ~[spl-serviceclient-4.3.0.4.0.jar:?]

        at com.splwg.serviceclient.RemoteServiceDispatcher.add(RemoteServiceDispatcher.java:82) ~[spl-serviceclient-4.3.0.4.0.jar:?]

        at com.splwg.base.web.dataservlet.PageAdd.privateDoPost(PageAdd.java:40) [spl-web-4.3.0.4.0.jar:?]

        at com.splwg.base.web.dataservlet.MutatingPageServlet.doPost(MutatingPageServlet.java:27) [spl-web-4.3.0.4.0.jar:?]