Stage 2015 Delia ,Constanta, Romania

WordPress database error: [Incorrect key file for table './smartteh_db/sessions.MYI'; try to repair it]
replace into sessions(id, time, data) values('795abc203a42419827d80bf22e37e28ff229d84c1255ea7d458e050a003014d6', 1752310989, 'a:0:{}')

WordPress database error: [Table 'sessions' is marked as crashed and should be repaired]
delete from sessions where time<1751101389