Visibility of Action Container

nav 2016 and I don't see tabs and buttons.... where's the difference?

Hi, I don't think is the version: I have the same problem in NAV 2017. Below the page structure in 2017 version, without any customization. If you run it, you don't see any TAB.

OBJECT Page 99000786 Production BOM
{
OBJECT-PROPERTIES
{
Date=25/10/16;
Time=12:00:00;
Version List=NAVW110.00;
}
PROPERTIES
{
CaptionML=[ENU=Production BOM;
ITA=DB produzione];
SourceTable=Table99000771;
PageType=ListPlus;
OnAfterGetRecord=BEGIN
ActiveVersionCode := VersionMgt.GetBOMVersion("No.",WORKDATE,TRUE);
END;

ActionList=ACTIONS
{
{ 1900000003;0 ;ActionContainer;
ActionContainerType=RelatedInformation }
{ 19 ;1 ;ActionGroup;
CaptionML=[ENU=&Prod. BOM;
ITA=DB &prod.];
Image=BOM }
{ 20 ;2 ;Action ;
CaptionML=[ENU=Co&mments;
ITA=Co&mmenti];
RunObject=Page 99000784;
RunPageLink=Table Name=CONST(Production BOM Header),
No.=FIELD(No.);
Image=ViewComments }
{ 13 ;2 ;Action ;
CaptionML=[ENU=Versions;
ITA=Versioni];
RunObject=Page 99000800;
RunPageLink=Production BOM No.=FIELD(No.);
Promoted=Yes;
Image=BOMVersions;
PromotedCategory=Process }
{ 10 ;2 ;Action ;
CaptionML=[ENU=Ma&trix per Version;
ITA=Ma&trice per versione];
Promoted=Yes;
Image=ProdBOMMatrixPerVersion;
PromotedCategory=Process;
OnAction=VAR
BOMMatrixForm@1001 : Page 99000812;
BEGIN
BOMMatrixForm.Set(Rec);

BOMMatrixForm.RUNMODAL;
CLEAR(BOMMatrixForm);
END;
}
{ 21 ;2 ;Action ;
CaptionML=[ENU=Where-used;
ITA=Dove-usato];
Promoted=Yes;
Image=Where-Used;
PromotedCategory=Process;
OnAction=BEGIN
ProdBOMWhereUsed.SetProdBOM(Rec,WORKDATE);
ProdBOMWhereUsed.RUNMODAL;
CLEAR(ProdBOMWhereUsed);
END;
}
{ 1900000004;0 ;ActionContainer;
ActionContainerType=ActionItems }
{ 23 ;1 ;ActionGroup;
CaptionML=[ENU=F&unctions;
ITA=F&unzioni];
Image=Action }
{ 22 ;2 ;Action ;
Ellipsis=Yes;
CaptionML=[ENU=Copy &BOM;
ITA=Copia D&B];
Image=CopyBOM;
OnAction=BEGIN
TESTFIELD("No.");
IF PAGE.RUNMODAL(0,ProdBOMHeader) = ACTION::LookupOK THEN
ProductionBOMCopy.CopyBOM(ProdBOMHeader."No.",'',Rec,'');
END;
}
}
}
CONTROLS
{
{ 1900000001;0;Container;
ContainerType=ContentArea }

{ 1 ;1 ;Group ;
CaptionML=[ENU=General;
ITA=Generale] }

{ 2 ;2 ;Field ;
ToolTipML=[ENU=Specifies the BOM number.;
ITA=Specifica il numero della DB.];
SourceExpr="No.";
OnAssistEdit=BEGIN
IF AssistEdit(xRec) THEN
CurrPage.UPDATE;
END;
}

{ 8 ;2 ;Field ;
ToolTipML=[ENU=Specifies a description for the production BOM.;
ITA=Specifica una descrizione per la DB di produzione.];
SourceExpr=Description }

{ 4 ;2 ;Field ;
ToolTipML=[ENU=Specifies the unit of measure code to which the BOM refers.;
ITA=Specifica il codice unit… di misura a cui si riferisce la DB.];
SourceExpr="Unit of Measure Code" }

{ 6 ;2 ;Field ;
ToolTipML=[ENU=Specifies the status of the production BOM.;
ITA=Specifica lo stato della DB produzione.];
SourceExpr=Status }

{ 14 ;2 ;Field ;
ToolTipML=[ENU=Specifies a search name.;
ITA=Specifica un nome di ricerca.];
SourceExpr="Search Name" }

{ 29 ;2 ;Field ;
ToolTipML=[ENU=Specifies the version number series that the production BOM versions refer to.;
ITA=Specifica la numerazione della versione a cui fanno riferimento le versioni delle DB di produzione.];
SourceExpr="Version Nos." }

{ 26 ;2 ;Field ;
CaptionML=[ENU=Active Version;
ITA=Versione attiva];
ToolTipML=[ENU=Specifies which version of the production BOM is valid.;
ITA=Specifica quale versione della DB di produzione Š valida.];
SourceExpr=ActiveVersionCode;
Editable=FALSE;
OnLookup=VAR
ProdBOMVersion@1002 : Record 99000779;
BEGIN
ProdBOMVersion.SETRANGE("Production BOM No.","No.");
ProdBOMVersion.SETRANGE("Version Code",ActiveVersionCode);
PAGE.RUNMODAL(PAGE::"Production BOM Version",ProdBOMVersion);
ActiveVersionCode := VersionMgt.GetBOMVersion("No.",WORKDATE,TRUE);
END;
}

{ 11 ;2 ;Field ;
ToolTipML=[ENU=Specifies the last date that was modified.;
ITA=Specifica la data dell'ultima modifica.];
SourceExpr="Last Date Modified" }

{ 27 ;1 ;Part ;
Name=ProdBOMLine;
SubPageView=SORTING(Production BOM No.,Version Code,Line No.);
SubPageLink=Production BOM No.=FIELD(No.),
Version Code=CONST();
PagePartID=Page99000788 }

{ 1900000007;0;Container;
ContainerType=FactBoxArea }

{ 1900383207;1;Part ;
Visible=FALSE;
PartType=System;
SystemPartID=RecordLinks }

{ 1905767507;1;Part ;
Visible=TRUE;
PartType=System;
SystemPartID=Notes }

}
CODE
{
VAR
ProdBOMHeader@1000 : Record 99000771;
ProductionBOMCopy@1002 : Codeunit 99000768;
VersionMgt@1003 : Codeunit 99000756;
ProdBOMWhereUsed@1001 : Page 99000811;
ActiveVersionCode@1004 : Code[20];

BEGIN
END.
}
}