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 ('6612b0a4a146a9f79f4d33e2f9f09cca', -1, 1542202047, 1542202047, '36dd4b73', 18, 0, 0)

Line : 187
File : sessions.php