Horizontal lines in section

[elk]

I have suddenly gotten some horizontal lines  in all my sections that I cant get rid off (they seem to be every 100 mm, not sure how they appeared). Does anyone know how to get rid of them? 

Operating system used: Windows

[Ricardo Lopez]

Hi @elk 

Try to switch off the option View> Construction Grid Display

Regards. -

[elk]

It didn`t change anything unfortunately

[elk]

Discovered some vertical lines in another section...

[elk · Accepted solution]

It was a surface setting 😅