connection error: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

SELECT s_id FROM sessions WHERE s_id='02XTK9wzTxRDjnPPW1Bs' LIMIT 1
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

INSERT INTO sessions ( s_id, s_lastact, s_ip ) VALUES ( '02XTK9wzTxRDjnPPW1Bs', '1714768345', '3.145.178.157' )
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

SELECT s_id FROM sessvalues WHERE s_id='02XTK9wzTxRDjnPPW1Bs' AND sv_name='_current' LIMIT 1
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

INSERT INTO sessvalues ( s_id, sv_name, sv_value ) VALUES ( '02XTK9wzTxRDjnPPW1Bs', '_current', 'dobrich.government.bg/download.php?news=4154' )
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

SELECT s_id AS id FROM sessions WHERE s_lastact < 1714765945
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

UPDATE newscontent SET nc_active=0, nc_expire=0 WHERE nc_expire > 5 and nc_expire < 1714768345
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

DELETE FROM maillist WHERE m_active='0' AND m_date < 1714681945
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

SELECT l_id, l_name, l_code FROM lang WHERE l_id='1'
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

SELECT s_id, nc_id, nc_subj, nc_short, nc_cont, nc_date, nc_flagged, nc_active, nc_media, nc_file_audio, nc_file_pdf, nc_expire FROM newscontent WHERE nc_id='4154'
invalid query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)