Permissions and restrictions are separate - permissions give you generalised rights over the space, and restrictions then limit those rights later. So messing with permissions won't help you if you've made a mistake with restrictions. Except that you'll want to check that the right people have "restrict page" permission, so that they can edit them.
If you've restricted a page incorrectly, then you can go to the page and edit the restrictions. If you've restricted it from yourself, then you need space-admin rights, and you can go to the space-admin and look through the list of restricted pages - from there, you can remove/edit those restrictions.
One last thing to bear in mind is that restrictions cascade - if you limit a page to "group = fred" and then create child pages beneath it, those child pages will also be limited to "fred", but won't directly show that on the page because the restriction is on their parent. That's what usually fools me when looking at "can't see page" problems - I forget to work up the tree!
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.