After a migration from OTRS 6.0.10 to OTRS 6.0.15, I had an
See error from /var/log/apache2/error.log500 Internal Server Error
Message: Can't load dynamic field object handler module for object type FAQ!
RemoteAddress: 192.168.1.167
RequestURI: /otrs/index.pl
Traceback (6909):
Module: Kernel::System::DynamicField::Backend::new Line: 140
Module: Kernel::System::ObjectManager::_ObjectBuild Line: 306
Module: Kernel::System::ObjectManager::Get Line: 200
Module: Kernel::System::Ticket::TicketSearch::TicketSearch Line: 1402
Module: Kernel::Output::HTML::Dashboard::Calendar::Run Line: 113
Module: Kernel::Modules::AgentDashboardCommon::_Element Line: 983
Module: Kernel::Modules::AgentDashboardCommon::Run Line: 610
Module: Kernel::System::Web::InterfaceAgent::Run Line: 1116
Module: ModPerl::ROOT::ModPerl::Registry::opt_otrs_bin_cgi_2dbin_index_2epl::handler Line: 38
Module: (eval) (v1.99) Line: 207
Module: ModPerl::RegistryCooker::run (v1.99) Line: 207
Module: ModPerl::RegistryCooker::default_handler (v1.99) Line: 173
Module: ModPerl::Registry::handler (v1.99) Line: 32
ERROR: OTRS-CGI-43 Perl: 5.26.1 OS: linux Time: Tue Jan 8 16:02:44 2019
Message: The constructor of Kernel::System::DynamicField::Backend returned undef.
RemoteAddress: 192.168.1.167
RequestURI: /otrs/index.pl
Traceback (6909):
Module: Kernel::System::ObjectManager::_DieWithError Line: 631
Module: Kernel::System::ObjectManager::_ObjectBuild Line: 314
Module: Kernel::System::ObjectManager::Get Line: 200
Module: Kernel::System::Ticket::TicketSearch::TicketSearch Line: 1402
Module: Kernel::Output::HTML::Dashboard::Calendar::Run Line: 113
Module: Kernel::Modules::AgentDashboardCommon::_Element Line: 983
Module: Kernel::Modules::AgentDashboardCommon::Run Line: 610
Module: Kernel::System::Web::InterfaceAgent::Run Line: 1116
Module: ModPerl::ROOT::ModPerl::Registry::opt_otrs_bin_cgi_2dbin_index_2epl::handler Line: 38
Module: (eval) (v1.99) Line: 207
Module: ModPerl::RegistryCooker::run (v1.99) Line: 207
Module: ModPerl::RegistryCooker::default_handler (v1.99) Line: 173
Module: ModPerl::Registry::handler (v1.99) Line: 32
[Tue Jan 08 16:02:44.845490 2019] [:error] [pid 6909] The constructor of Kernel::System::DynamicField::Backend returned undef. at /opt/otrs/Kernel/System/ObjectManager.pm line 632.\n\tKernel::System::ObjectManager::_DieWithError(Kernel::System::ObjectManager=HASH(0x555f2fd6a908), "Error", "The constructor of Kernel::System::DynamicField::Backend retu"...) called at /opt/otrs/Kernel/System/ObjectManager.pm line 314\n\tKernel::System::ObjectManager::_ObjectBuild(Kernel::System::ObjectManager=HASH(0x555f2fd6a908), "Package", "Kernel::System::DynamicField::Backend") called at /opt/otrs/Kernel/System/ObjectManager.pm line 200\n\tKernel::System::ObjectManager::Get(Kernel::System::ObjectManager=HASH(0x555f2fd6a908), "Kernel::System::DynamicField::Backend") called at /opt/otrs/Kernel/System/Ticket/TicketSearch.pm line 1402\n\tKernel::System::Ticket::TicketSearch::TicketSearch(Kernel::System::Ticket=HASH(0x555f2eb76078), "TicketEscalationTimeNewerMinutes", 15, "OrderBy", "Up", "SortBy", "EscalationTime", "Result", ...) called at /opt/otrs/Kernel/Output/HTML/Dashboard/Calendar.pm line 113\n\tKernel::Output::HTML::Dashboard::Calendar::Run(Kernel::Output::HTML::Dashboard::Calendar=HASH(0x555f2ed0c458), "AJAX", undef, "CustomerID", "", "CustomerUserID", "") called at /opt/otrs/Kernel/Modules/AgentDashboardCommon.pm line 983\n\tKernel::Modules::AgentDashboardCommon::_Element(Kernel::Modules::AgentDashboard=HASH(0x555f2d9273b0), "Name", "0260-TicketCalendar", "Configs", HASH(0x555f2ea648a8), "Backends", HASH(0x555f2ea9ca18)) called at /opt/otrs/Kernel/Modules/AgentDashboardCommon.pm line 610\n\tKernel::Modules::AgentDashboardCommon::Run(Kernel::Modules::AgentDashboard=HASH(0x555f2d9273b0)) called at /opt/otrs/Kernel/System/Web/InterfaceAgent.pm line 1116\n\tKernel::System::Web::InterfaceAgent::Run(Kernel::System::Web::InterfaceAgent=HASH(0x555f2f931f78)) called at /opt/otrs/bin/cgi-bin/index.pl line 38\n\tModPerl::ROOT::ModPerl::Registry::opt_otrs_bin_cgi_2dbin_index_2epl::handler(Apache2::RequestRec=SCALAR(0x555f2fd8d768)) called at /usr/lib/x86_64-linux-gnu/perl5/5.26/ModPerl/RegistryCooker.pm line 207\n\teval {...} called at /usr/lib/x86_64-linux-gnu/perl5/5.26/ModPerl/RegistryCooker.pm line 207\n\tModPerl::RegistryCooker::run(ModPerl::Registry=HASH(0x555f2eaa1248)) called at /usr/lib/x86_64-linux-gnu/perl5/5.26/ModPerl/RegistryCooker.pm line 173\n\tModPerl::RegistryCooker::default_handler(ModPerl::Registry=HASH(0x555f2eaa1248)) called at /usr/lib/x86_64-linux-gnu/perl5/5.26/ModPerl/Registry.pm line 32\n\tModPerl::Registry::handler("ModPerl::Registry", Apache2::RequestRec=SCALAR(0x555f2fd8d768)) called at -e line 0\n\teval {...} called at -e line 0\n