Hello everyone !
This solution worked for me which I googled .
1. Web Server Ownership
The first level is actually to make sure that your web server has ownership over the directories:
chown -R www-data:www-data your-wordpress-directory
2. Directory Permissions
The second level is also required – you must make sure that the directory permissions are properly set:
sudo find /var/www/wordpress-directory/ -type d -exec chmod 755 {} \;
sudo find /var/www/wordpress-directory/ -type f -exec chmod 644 {} \;
I’ve found that most solutions posted on the web show part two but skip the first part.
I hope this HELPS