phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/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 ('8a6f1d2f9d7be287e792915c29cbb2e5', -1, 1526878803, 1526878803, '3651b7b7', 37, 0, 0)

Line : 187
File : sessions.php