mysql (5.7.31) down cpanel

Hello, After migrating all the files from one hard disk to another on the same server I encounter this error in the server information: mysql (5.7.31) down cpanel This also causes me to not be able to make sql database's etc.. Error while connecting to MySQL: (XID xbt3xm) The system failed to connect to the "MySQL" database "mysql" because of an error: ER_ACCESS_DENIED_ERROR (Access denied for user 'root'@'localhost' (using password: YES)) Error while connecting to MySQL: (XID xbt3xm) The system failed to connect to the "MySQL" database "mysql" because of an error: ER_ACCESS_DENIED_ERROR (Access denied for user 'root'@'localhost' (using password: YES)) at /usr/local/cpanel/Cpanel/Mysql/Basic.pm line 437, line 1. Any ideas would be much appreciated!