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 ('42f1568bd9b648c0c1906cf7d3974bde', -1, 1537341267, 1537341267, '36a29f21', 23, 0, 0)

Line : 187
File : sessions.php