Error code 8 (File not found) in a parameter-guided map

[Pico]

Hi All,

I'm Using Qlik SaaS.

In my map i'm retrieving an image via URL (format = "Image", URL = /api/v1/apps/AppID/media/files/$(=[App Name])_$(=[Sheet Name]).png', )

This map is in a layout container, and I want it to disapper as soon as a parameter (vParameter) is =0.

As soon as this parameter is =0, the fields that generate the URL ([App Name] & [Sheet Name]) don't make sense anymore, so the error is correct. Now the question is:

How can I avoid to have this error?

I tried 3 different ways, and none of the works (not even all of them at the same time)

1. in the URL change the link into "IF($(vParameter)=0, 'normal link',
   'link to a white image that always exists')
2. Layer calculation condition as "$(vParameter)=1" (standard value of the parameter)
3. Map show condition in the Layout Container content "$(vParameter)=1"

thank you for your help!