Can anyone point out the meaningful items within this error log from Jdeveloper?

Code:
oracle.apps.fnd.framework.OAException: java.lang.NullPointerException
	at oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:891)
	at oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:865)
	at oracle.apps.fnd.framework.OAException.wrapperInvocationTargetException(OAException.java:988)
	at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:211)
	at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:153)
	at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:749)
	at oracle.apps.cust.xxdpOrgDesc.server.webui.xxdpOrgDescMainCO.processFormRequest(xxdpOrgDescMainCO.java:61)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:810)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1159)
	at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1022)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:988)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:843)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1022)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:988)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:843)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
	at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2675)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1682)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:508)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:429)
	at _OA._jspService(OA.jsp:34)
	at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
	at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
	at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
	at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
	at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
	at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
	at java.lang.Thread.run(Thread.java:534)
## Detail 0 ##
java.lang.NullPointerException
	at oracle.apps.cust.xxdpOrgDesc.server.xxdpOrgDescAMImpl.DeleteOrgDescRow(xxdpOrgDescAMImpl.java:46)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:190)
	at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:153)
	at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:749)
	at oracle.apps.cust.xxdpOrgDesc.server.webui.xxdpOrgDescMainCO.processFormRequest(xxdpOrgDescMainCO.java:61)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:810)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1159)
	at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1022)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:988)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:843)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1022)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:988)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:843)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
	at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2675)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1682)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:508)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:429)
	at _OA._jspService(OA.jsp:34)
	at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
	at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
	at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
	at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
	at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
	at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
	at java.lang.Thread.run(Thread.java:534)
java.lang.NullPointerException
	at oracle.apps.cust.xxdpOrgDesc.server.xxdpOrgDescAMImpl.DeleteOrgDescRow(xxdpOrgDescAMImpl.java:46)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:190)
	at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:153)
	at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:749)
	at oracle.apps.cust.xxdpOrgDesc.server.webui.xxdpOrgDescMainCO.processFormRequest(xxdpOrgDescMainCO.java:61)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:810)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1159)
	at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1022)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:988)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:843)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1022)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:988)
	at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:843)
	at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
	at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
	at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2675)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1682)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:508)
	at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:429)
	at _OA._jspService(OA.jsp:34)
	at com.orionserver.http.OrionHttpJspPage.service