prestahop 9: error while installing module Marketplace Builder – Multi Vendor – Multi Vendedor

[twins20]

On prestashop 9 url : https://eshop.missing-app.com/

i am trying to install module from marketplace called: Marketplace Builder – Multi Vendor – Multi Vendedor

but when clicking on button "terminate install" i got an error in the ajax response from url : 

/improve/modules/manage/action/install/ets_marketplace?id=32443&source=https%3A%2F%2Fapi-addons.prestashop.com%3Fmethod%3Dmodule%26format%3Djson%26channel%3Dstable%26iso_code%3Dfr%26iso_lang%3Dfr%26version%3D9.0.0%26id_module%3D32443&_token=XXXXX

saying:

{
    "ets_marketplace": {
        "status": false,
        "msg": "L\u0027action Install est impossible pour le module ets_marketplace. Handler not found for source https:\/\/api-addons.prestashop.com?method=module\u0026format=json\u0026channel=stable\u0026iso_code=fr\u0026iso_lang=fr\u0026version=9.0.0\u0026id_module=32443"
    }
}

what can i do to activate the module i have paid?