phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './everytat_imga1/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b08c5ebd0d5eac7339280ea167d61885', -1, 1513560634, 1513560634, '36dd4c44', -1, 0, 0)

Line : 190
File : sessions.php