Re-enter SmartPracticeJP

Exception Description Application: SmartPracticeJP Error: java.lang.NumberFormatException: null Reason: null Stack trace: File Line# Method Package Integer.java 542 parseInt java.lang Integer.java 615 parseInt java.lang DirectAction.java 225 categoryAction com.smarthealth.woapp.smartpractice GeneratedMethodAccessor265.java NA invoke sun.reflect DelegatingMethodAccessorImpl.java 43 invoke sun.reflect Method.java 498 invoke java.lang.reflect WODirectAction.java 144 performActionNamed com.webobjects.appserver ERXDirectAction.java 418 performActionNamed er.extensions.appserver WOActionRequestHandler.java 259 _handleRequest com.webobjects.appserver._private WOActionRequestHandler.java 161 handleRequest com.webobjects.appserver._private ERXDirectActionRequestHandler.java 128 handleRequest er.extensions.appserver WOApplication.java 1687 dispatchRequest com.webobjects.appserver ERXApplication.java 2127 dispatchRequestImmediately er.extensions.appserver ERXApplication.java 2092 dispatchRequest er.extensions.appserver WOWorkerThread.java 144 runOnce com.webobjects.appserver._private WOWorkerThread.java 226 run com.webobjects.appserver._private Thread.java 750 run java.lang NA : Non applicable, JIT activated