Znuny and ((OTRS)) Community Edition

SOLUTION: After debug a bit the "AgentTicketCustom.pm" I realized that the error was relationed with a function called "DynamicFieldListGet". Then I thought that maybe I needed to copy some xml from the file "Tiket.xml" so I copied all the xml related to dynamic fields...

EDIT: The problem was that the link was disabled in system config, in Frontend::Agent::ModuleRegistration. I enabled it and now I see my custom link. The HelloWorld link was also disabled by default. Hello, I am new with OTRS and PERL and english is not my native language so I am sorry for any erro...