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 ('366e05f031b6820d7d4c8d9ea8d83a9e', -1, 1537699216, 1537699216, '36a20f1f', 18, 0, 0)

Line : 187
File : sessions.php