phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('9f12967cfa535cd3fa3722ebe3053791', -1, 1566660570, 1566660570, '23afc804', 6, 0, 0)

Line : 187
File : sessions.php