I receive an error message upon attempting to open a “gestor de certificados” upon signing any LO document (such a certificate manager apparently should apparently exist in my system). When I use the certificates stored in the system vault, the digital signing also fails. The certificates I have are issued by Spain’s FNMT AC’s, and they don´t pose for any quirk upon authenticating myself or signing electronic documents (outside Libreoffice, using an application of our gov) in several governmental agencies or Ministeries.
Moreover, this also happens with PDF documents. The version of libreoffice I’ve is the 6,4,6.2. Please, help.