[Решено] text remains in default language

Hello! This website скрытая ссылка has 2 languages. English as the basic one and Dutch as the second. My client wanted to export the texts in english to give them to copywriter and to do so he edited the pages which are built with elementor and switched them back to the gutenberg editor.

After that the pages broke so he switched them again back to elementor

After that the urls seems to work when you switch languages but the text remains english

Do you have any idea of I can fix this?