how do I fix a "## Detail 0 ## java.lang.NullPointerException at oracle.apps.ap.oie.entry.accountin
more pertinent:
## Detail 0 ##
java.lang.NullPointerException
at oracle.apps.ap.oie.entry.accounting.server.ExpenseAllocationsAMImpl.getFlexStructureCode(ExpenseAllocationsAMImpl.java:376)
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:585)
at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:190)
at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:133)
at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:797)
at oracle.apps.ap.oie.entry.accounting.webui.UpdateWFKffCO.renderKFFComponent(UpdateWFKffCO.java:67)
at oracle.apps.ap.oie.entry.accounting.webui.UpdateWFKffCO.processRequest(UpdateWFKffCO.java:46)