Why when I publish to a PDF the grid lines appear

Hello - I have an extremely old version (X3) and I am really new to Corel Draw. I haven't had any issues in the past but I am currently working on a file and when I publish it to a PDF, the grid lines appear. I have done some research and gone to the Object Manager and to the Master Page drop down. Where it has Grid listed the eye is closed (so that they are invisible) but the printer Icon is filled in. I attempt to click on it to "X" it out but that doesn't do anything. I right click on Grib and go to Properties but I am unable to click on "Printable" to make it so they don't print. I have an earlier version of this document in which it didn't do this. I had to make some changes and we have to track our changes so I did a "Save As" but I don't know why it would have switched from the original version to this issue when I didn't click on anything to make this happen. Any suggestions?