A database error can occur for many reasons. It’s usually the result of an incorrect database address, username, or password. It’s likely not a timeout failure, since WordPress has a separate error for that. Here are two common issues: DB Configuration Since you have intermittent failures, this likely points to an issue with the database … Read more
Can wp-config move cause dashboard not to load?
Did you check if the table prefixe in wp-config is same as per your database.. To check the table prefix of your database go to phpmyadmin. Click on your database and expand it If you notice in following image , you will find out that all the table have prefix “wp_” .. so that means … Read more
Duplicate WP Migration affecting site on separate domain?
So your Git repository was initialized in the wrong place. If you have the initial files, you can go back there and try again making sure the git repo is in the actualy document root and make sure all of the files are tracked. If you do not you can do a fresh install of … Read more
The short answer is “no.” You can set settings in functions.php or some other system file, but there’s not a default setting like database_prefix to do this.
Move wp-content outside root
I applied the SAME database username to both databases Why is the Database password the same? When I reset the password for the database username it made my main domain crash? It sounds like you created a single MySQL user which is allowed to access both maindomain and subdomain databases. When you change the MySQL … Read more
I fixed it, I installed a new version of clean wordpress and transferred db (dumped db using phpmyadmin), and also plugins folder and theme folder, and it start working
Define new constants in wp-config