diff --git a/hsarjcli/src/de/hsadmin/jscli/Main.java b/hsarjcli/src/de/hsadmin/jscli/Main.java
index 3452ee5..fbfe97f 100644
--- a/hsarjcli/src/de/hsadmin/jscli/Main.java
+++ b/hsarjcli/src/de/hsadmin/jscli/Main.java
@@ -43,8 +43,9 @@ public class Main {
 					try {
 						scriptClient.execute(command);
 						console.println(formatter.format(scriptClient.getLastRpcResult()));
-					} catch (Exception e) {
-						console.println("Error: " + e.getLocalizedMessage() + "\n");
+					} catch (JSCliException e) {
+						final String errorMessage = createErrorMessage(e);
+						console.println(errorMessage + "\n");
 					}
 					command = console.readInput();
 				}
@@ -55,4 +56,17 @@ public class Main {
 		}
 	}
 
+	private static String createErrorMessage(final JSCliException e) {
+		String errorMessage = "Error: " + e.getLocalizedMessage();
+		Throwable cause = e;
+		while (cause.getCause() != null) {
+			cause = cause.getCause(); 
+		}
+		errorMessage = cause.getLocalizedMessage();
+		if (errorMessage.contains("de.hsadmin.rpc.VOUserException:")) {
+			errorMessage = errorMessage.substring(errorMessage.indexOf("de.hsadmin.rpc.VOUserException:") + 31).trim();
+		}
+		return errorMessage;
+	}
+
 }