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 ('2dc3c7f12b0ca0ce11793805b306a098', -1, 1526997851, 1526997851, '1714f0c1', 16, 0, 0)

Line : 187
File : sessions.php