@frankie_tech and @bobray, I deleted the package and installed it again and tada… the installation wasn’t completed, I think the same thing happened the first time.
Comenzando instalación del paquete con firma: docmanager-2.1-beta6
PHP notice: Undefined offset: 2
Paquete encontrado, preparando para la instalación...
Seleccionando espacio de trabajo del paquete...
PHP notice: Undefined offset: 2
Entorno del espacio de trabajo inicializado, instalando el paquete...
Could not load class: modLexiconTopic from mysql.modlexicontopic.
Could not load vehicle!
Could not load class: modLexiconLanguage from mysql.modlexiconlanguage.
Could not load vehicle!
Paquete instalado con éxito docmanager-2.1-beta6
PHP notice: Undefined offset: 2