phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './usmleforum/forum_sessions' is marked as crashed and should be repaired

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, is_robot, session_admin) VALUES ('d505cdbe627f8f8103cfe916fa03b86d', -1, 1500914795, 1500914795, '36a28bd9', 12, 0, '0', 0)

Line : 189
File : sessions.php