Merge OpenOLAT 10.4 to OpenOLAT default branch with e9d6a3c6bea90836dfe3f6c6b952e5ee46c9ce9e

.hgtags

@@ -132,3 +132,4 @@ cf5d0249c269c1f9b148726907f6bd13f862c153 OpenOLAT 10.4.3
 1bab889e2565cf0443743da51ad98226e8a6ff8e OpenOLAT 10.4.3
 bc8ce641a5620f5717e9a73e31028d41ab7cdc5d OpenOLAT 10.4.4
 d355c6357d0e5aeb25fc978b747824447a214b88 OpenOLAT 10.4.5
+fef7f6b2e2628d242e93f86d208f4cfb9c807d7c OpenOLAT 10.4.6

src/main/java/org/olat/course/condition/interpreter/IsAssessmentModeFunction.java

@@ -23,6 +23,7 @@ import java.util.Date;
 
 import org.olat.core.CoreSpringFactory;
 import org.olat.core.gui.control.ChiefController;
+import org.olat.core.gui.control.WindowControl;
 import org.olat.core.id.OLATResourceable;
 import org.olat.course.assessment.AssessmentModeManager;
 import org.olat.course.editor.CourseEditorEnv;
@@ -60,7 +61,11 @@ public class IsAssessmentModeFunction extends AbstractFunction {
 			return defaultValue();
 		}
 		
-		ChiefController chiefController = getUserCourseEnv().getWindowControl().getWindowBackOffice().getChiefController();
+		WindowControl wControl = getUserCourseEnv().getWindowControl();
+		if(wControl == null) {
+			return ConditionInterpreter.INT_FALSE;
+		}
+		ChiefController chiefController = wControl.getWindowBackOffice().getChiefController();
 		if(chiefController == null) {
 			return ConditionInterpreter.INT_FALSE;
 		}