Upload failed request entity too large

[KangJL]

@Blueberry

There has been a critical error on this website

Most likely caused by this

@Blueberry

overwrites database by itself

This could give you some idea.

Need help with this fatal error

You need to backup before proceeding with install as you will lose the data. Once WordPress is reinstalled, you can proceed to restore from backup. You can refer to below for info…

You just need to import the critical database tables manually