After upgrade from DNN5.4.2 to DNN 6.2.8, all of the child pages in my site show errors

Error: Boletines no está disponible en este momento. DotNetNuke.Services.Exceptions.ModuleLoadException: Value cannot be null. Parameter name: relativeUrl ---> System.ArgumentNullException: Value cannot be null. Parameter name: relativeUrl at System.Web.UI.Control.ResolveUrl(String relativeUrl) at Cross.Modules.ChildPageList.List.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace ---

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and this is the log:

ModuleId: 573

ModuleDefId: 150

FriendlyName: Boletines

ModuleControlSource: DesktopModules/CrossChildPageList/View.ascx

AssemblyVersion: 6.2.8

PortalID: 0

PortalName: ASFI Bolivia

UserID: -1

UserName:

ActiveTabID: 132

ActiveTabName: Boletines

RawURL: /Estadísticas/IntermediaciónFinanciera/Boletines.aspx

AbsoluteURL: /Default.aspx

AbsoluteURLReferrer: https://www.asfi.gob.bo/Estad%C3%ADsticas/Valores/Boletines.aspx

UserAgent: Mozilla/5.0 (Windows NT 5.1; rv:26.0) Gecko/20100101 Firefox/26.0

DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider

ExceptionGUID: 97ecb4c5-6c14-4966-9a5a-6b5517ff5c2b

InnerException: Value cannot be null. Parameter name: relativeUrl

FileName:

FileLineNumber: 0

FileColumnNumber: 0

Method: System.Web.UI.Control.ResolveUrl

StackTrace:

Message: DotNetNuke.Services.Exceptions.ModuleLoadException: Value cannot be null. Parameter name: relativeUrl ---> System.ArgumentNullException: Value cannot be null. Parameter name: relativeUrl at System.Web.UI.Control.ResolveUrl(String relativeUrl) at Cross.Modules.ChildPageList.List.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace ---

Source:

Nombre del Servidor: srvweb