Whilst the addon should work with permaprops, that's not an addon I control or can provide support for I'm afraid, sorry. You'll need to contact the author of permaprops for assistance.

This addon has its own permanent system, details of which can be found in the description.

I use your way it doesn't seen to work
Is there any scripts that could conflict?

No known conflicts, but any addons causing errors or other hook related issues could cause things to fail. Can you replicate the issue in a vanilla install, without any other addons installed?

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1655534536
^ No addons in addon folder, Seems to be on of those or I'm just going literally retarded.

Also, With just Textscreens installed it works.

If with just Textscreens installed it works, then you most definitely have a conflict.

I'd recommend starting with Textscreens, and then adding each of those addons one by one, and re-testing until you find the specific cause.

I am having the same problem. Our Perma Prop worked on Text Screens, we changed map and stuff, now every time I try to perma prop the text screen, it doesnt work.

If you're using PermaProps, there's not much I can really do I'm afraid. You'll have to talk to the PermaProps developer regarding nay issues.

If you're using the perma system built into this addon, please provide full steps to replicate the issue, with no other addons installed.