[Resuelto] I have issues with translating certain pages

I have issues with translating certain pages.

1. enlace oculto is translated from Serbian which is the default language to English, but when I click the English flag, images, and videos from the Serbian page don't load...

2. enlace oculto at this page, certain blocks that are on the page, in squares, don't translate, i have never seen them in translation, it says 100 percent translated

Please help!