phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forum/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, session_admin) VALUES ('7d50c86ed40636f5f3aca7e76a81b4fb', -1, 1527441452, 1527441452, '369f55c1', 21, 0, 0)

Line : 187
File : sessions.php