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 ('6f7f844e5c7b66a9836c5aa84cf4a343', -1, 1537656751, 1537656751, '365ca4b8', 37, 0, 0)

Line : 187
File : sessions.php