Change user permission manually

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Hello everybody !

I was editing users permission on my website and suddenly all my pages became inaccessible. When I try to navigate thru the site, it shows me a blank page.
It's not caused by my browser (I cleared the cache and tried 3 different browsers), so I think it comes from user's permissions.

I find it disturbing because the only think I did was making dashboard inaccessible to registered users (not admin).

I would like to edit permissions manually but I don't know how to do it.
Does somebody have got an idea to solve this issue ?

/!\ EDIT : on Chrome, it says that "This page doesn't works.
Unable to process this request via mywebsite.net at the moment. HTTP ERROR 500"

2 Attachments

martinlebrun
 
MrKDilkington replied on at Permalink Reply
MrKDilkington
Hi martinlebrun,

Are there other sites running on this server? If so, were they still running when the site went down?
martinlebrun replied on at Permalink Reply
martinlebrun
Yes, there are 5 websites : one on the root and the 4 other are one level lower.
The broken site is one of the four websites, but it's the only one with this issue.