Huge Gap in Document

The program creates a huge gap, which lays in between my paragraphs, in my document. What causes this and how do I solve this problem?
Sorry if this is an over-asked question, but I am new with TeXmacs.

Thanks in Advance!

Try to go on the gap with the cursor, there should be something there causing it, you can look at the status bar to understand what markup is forcing the typesetter to leave the blank page. Or try to post it the source of minimal example causing the problem. From the picture is not clear what is going on.