Text keeps jumping...

Hello!
I've been having this issue for a while, but for some reason when I copy and paste text into a text box, it will cut off halfway through. I did fix the problem originally by checking the hyphenation in paragraph styles, but now it's starting to have this issue even when hyphenation is checked. It'll jump like this on the basic paragraph styles on Indesign. I've tried creating new paragraph styles and returning all of the other styles (text box, object, chart, ect.) to the original formats. I've also tried creating a whole new document but the text will still cut off. Nothing seems to work besides deleting and re-typing the section, which is teadious since it's a bussiness calender.
Anyone have any ideas?
