[Koha] How can i correct This error message

[Darius Chibbalo]

HaiSoftware error:

DBIx::Class::Storage::DBI::catch {...} (): DBI Connection failed:
Can't connect to local MySQL server through socket
'/var/run/mysqld/mysqld.sock' (2) at
/usr/share/perl5/DBIx/Class/Storage/DBI.pm line 1492. at
/usr/share/koha/lib/Koha/Database.pm line 107

For help, please send mail to the webmaster ([no address given]), giving
this error message and the time and date of the error.

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Chibbalo Darius
Senior Library Officer-Technical Services
Directorate of Teacher Education & Specialised Services
Zambia Library Services
MINISTRY OF GENERAL EDUCATION