BACKUP ERROR - Lost connection to MySQL server

Bonjour

Je rencontre cette erreur sur mes Backups

Voici le probleme

[START BACKUP]
***************Start of Jeedom backup at 2023-01-25 20:33:28***************
Send begin backup event...OK
Checking files rights...
OK
Checking  database...
mysqlcheck: Got error: 2013: Lost connection to MySQL server during query when executing 'CHECK TABLE ... '
OK
Backing up database...mysqldump: Got error: 2002: "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)" when trying to connect
Error during backup: Backing up database failed. Check mysqldump installation. Code: 2Details : Array
(
)
[END BACKUP ERROR]
PHP Fatal error:  Uncaught Exception: Backing up database failed. Check mysqldump installation. Code: 2 in /var/www/html/install/backup.php:104
Stack trace:
#0 {main}
thrown in /var/www/html/install/backup.php on line 104

J 'ai trouvé ce post mais j’aimerais réussir a faire un denier Backup avant Reset
car il me manque une bonne semaine de Backup

Merci