Page setup problem, please reset the margins and the height of the header and footer. Then check whether a page break has been inserted in the previous page. If yes, please press the Delete key del continuously after the last word on the previous page.

This is a system generated by the teacher modifying some formats for you. Just agree to the revision directly.

I suggest you ask the teacher face to face to see if the computer display of the teacher is consistent with yours.

Communicate with the tutor before getting the revision opinions; I think it's a format problem. You probably put more spaces in the red bar, just delete it.