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 ('639004b1717fc447a16f2968a320a4eb', -1, 1527408493, 1527408493, '365cad09', 1, 0, 0)

Line : 187
File : sessions.php