Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/controller/AuthoringController.java
===================================================================
diff -u -r8fb34ff788990c3ae25a0661090636b38bdecec2 -r5c34a04ef321a5a0c211fd830ee52eadc90b89ad
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/controller/AuthoringController.java	(.../AuthoringController.java)	(revision 8fb34ff788990c3ae25a0661090636b38bdecec2)
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/controller/AuthoringController.java	(.../AuthoringController.java)	(revision 5c34a04ef321a5a0c211fd830ee52eadc90b89ad)
@@ -239,7 +239,7 @@
      * @throws ServletException
      */
     @RequestMapping(value = "/saveOrUpdateItem")
-    private String saveOrUpdateItem(@ModelAttribute ResourceItemForm resourceItemForm, HttpServletRequest request) {
+    private String saveOrUpdateItem(@ModelAttribute("authoringForm") ResourceItemForm resourceItemForm, HttpServletRequest request) {
 	// get instructions:
 	List<String> instructionList = getInstructionsFromRequest(request);
 	MultiValueMap<String, String> errorMap = new LinkedMultiValueMap<>();
@@ -912,7 +912,7 @@
 		|| resourceItemForm.getItemType() == ResourceConstants.RESOURCE_TYPE_LEARNING_OBJECT
 		|| resourceItemForm.getItemType() == ResourceConstants.RESOURCE_TYPE_FILE) {
 	    // validate item size
-	    if (!FileValidatorSpringUtil.validateFileSize(resourceItemForm.getFile().getSize(), false)) {
+	    if (!FileValidatorSpringUtil.validateFileSize(resourceItemForm.getFile(), false)) {
 		errorMap.add("GLOBAL", messageService.getMessage("errors.maxfilesize",
 			new Object[] { Configuration.getAsInt(ConfigurationKeys.UPLOAD_FILE_MAX_SIZE) }));
 	    }
Index: lams_tool_larsrc/web/pages/authoring/authoring.jsp
===================================================================
diff -u -r8ee7fa8485b72185b59612fa0cd097adf044d8de -r5c34a04ef321a5a0c211fd830ee52eadc90b89ad
--- lams_tool_larsrc/web/pages/authoring/authoring.jsp	(.../authoring.jsp)	(revision 8ee7fa8485b72185b59612fa0cd097adf044d8de)
+++ lams_tool_larsrc/web/pages/authoring/authoring.jsp	(.../authoring.jsp)	(revision 5c34a04ef321a5a0c211fd830ee52eadc90b89ad)
@@ -70,7 +70,6 @@
 		<form:hidden path="resource.contentId" />
 		<form:hidden path="mode" />
 		<form:hidden path="sessionMapID" />
-		<form:hidden property="mode" value="${mode}"/>
 		<form:hidden path="contentFolderID" />
 		<form:hidden path="currentTab" styleId="currentTab" />