Problem with connection to make plugin.

We are automating the creation of content with make and we are unable to add a word as a keyword in the internal link juicer box of the page or post. It should be filled in automatically but no value appears.

See images: https://drive.google.com/drive/folders/1y-H7wvhSyALdBNvSVUFHIgGEtMilvRa5?usp=sharing