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 ('515909a60f3403a9d91c5486b2953fd6', -1, 1537840155, 1537840155, '36e13b0e', 9, 0, 0)

Line : 187
File : sessions.php