--- a
+++ b/recommendation-engine/src/main/java/eu/alfred/personalization_manager/model/InsufficientRightsException.java
@@ -0,0 +1,12 @@
+package eu.alfred.personalization_manager.model;
+
+public class InsufficientRightsException extends Exception {
+
+	private static final long serialVersionUID = 3158093551163604810L;
+
+	public InsufficientRightsException(String operation) {
+		super("The user has insuffiecient rights to perform operation: " + operation);
+	}
+	
+
+}