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 ('2100bc834c6fe39a12c0bcc18b08cab2', -1, 1537845658, 1537845658, '36c68e79', 1, 0, 0)

Line : 187
File : sessions.php