phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './web4db1/sessions' is marked as crashed and should be repaired

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('71d308f0b401bd749c5bdf4c9dcbfd41', -1, 1425487060, 1425487060, '36a1aef6', -1, 0, 0)

Line : 189
File : sessions.php