phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dancemo/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 ('23d2e20c7eab6a404fb27216e436111b', -1, 1487638372, 1487638372, '32107e6b', 0, 0, 0)

Line : 193
File : sessions.php