Guys, I try to use the LDAP synchronisation module from Mendix App store. And I got this following error when Mendix platform is starting up: Request action: start Message: JVM Error! Cause: (class: com/mendix/ldap/LdapModule, method: <init> signature: ()V) Incompatible argument to function Stack trace: JVM Error! at com.mendix.m2ee.server.handler.AdminHandler.handle(AdminHandler.java:107) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113) at org.eclipse.jetty.server.Server.handle(Server.java:334) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:559) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:992) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:550) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:203) at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:406) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:462) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436) at java.lang.Thread.run(Thread.java:619) Caused by: (class: com/mendix/ldap/LdapModule, method: <init> signature: ()V) Incompatible argument to function at ldap.actions.StartLdapJava.executeAction(StartLdapJava.java:29) at ldap.actions.StartLdapJava.executeAction(StartLdapJava.java:18) at com.mendix.systemwideinterfaces.core.UserAction.execute(SourceFile:49) at com.mendix.core.actionmanagement.CoreAction.call(SourceFile:473) at ie.b(SourceFile:155) at com.mendix.core.Core.execute(SourceFile:187) at gS.a(SourceFile:70) at kG.a(SourceFile:66) at eE.executeAction(SourceFile:96) at com.mendix.systemwideinterfaces.core.UserAction.execute(SourceFile:49) at com.mendix.core.actionmanagement.CoreAction.call(SourceFile:473) at ie.b(SourceFile:155) at com.mendix.core.Core.executeSync(SourceFile:163) at ed.h(SourceFile:74) at ed.a(SourceFile:35) at cU.execute(SourceFile:106) at com.mendix.core.actionmanagement.CoreAction.call(SourceFile:473) at ie.b(SourceFile:159) at com.mendix.core.MxRuntime.A(SourceFile:279) at com.mendix.core.MxRuntime.z(SourceFile:245) at com.mendix.core.MxRuntime.a(SourceFile:227) at lr.execute(SourceFile:54) at com.mendix.m2ee.server.handler.AdminHandler.handle(AdminHandler.java:84) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113) at org.eclipse.jetty.server.Server.handle(Server.java:334) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:559) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:992) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:550) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:203) at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:406) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:462) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436) at java.lang.Thread.run(Thread.java:619) What did I do wrong? Thanks in advance. Panayu