Hello,
When i see my website, i’ve got a homepage error with warnings.
I cannot login anymore into wordpress backoffice
An idea to fix this ?
Hi There,
Thanks for writing in! This type of issues may cause due to corrupted or missing files. I would advise deleting Cornerstone plugin entirely via FTP (“/wp-content/plugins/cornerstone”), then you can install it again through your WordPress backend by head over to X -> Validation section. You just need to wait for few seconds to install the Cornerstone plugin automatically.
In case if you’re using other 3rd party plugins for Cornerstone, please delete them first.
Let us know how it goes.
Thanks!
Ok It’s working good now, thank you !!!
Glad you were able to resolve it 
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