Hi ! during the update of the Master/Slave Package from version 1.2.1 to 1.8.1 I get the following error-message. We use otrs version 3.0.11. Maybe someone can help me ! Thanks, Stefanie Krüger Backend ERROR: OTRS-CGI-68 Perl: 5.10.1 OS: linux Time: Wed Jun 6 17:21:47 2012 Message: Can't install/upgrade package, file Kernel/Modules/AgentMasterSlavePrepareTicket.pm already used in package MasterSlave-1.1.2! Traceback (32611): Module: Kernel::System::Package::_PackageFileCheck (v1.119.2.1) Line: 2174 Module: Kernel::System::Package::PackageInstall (v1.119.2.1) Line: 404 Module: Kernel::Modules::AdminPackageManager::_InstallHandling (v1.98.2.2) Line: 1423 Module: Kernel::Modules::AdminPackageManager::Run (v1.98.2.2) Line: 1012 Module: Kernel::System::Web::InterfaceAgent::Run (v1.58.2.1) Line: 853 Module: ModPerl::ROOT::ModPerl::Registry::opt_otrs_bin_cgi_2dbin_index_2epl::handler (unknown version) Line: 46 Module: (eval) (v1.89.2.1) Line: 204 Module: ModPerl::RegistryCooker::run (v1.89.2.1) Line: 204 Module: ModPerl::RegistryCooker::default_handler (v1.89.2.1) Line: 170 Module: ModPerl::Registry::handler (v1.99) Line: 31