phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './chronusforum/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 ('bc1999451f9c8d16f2b8269f6db48c8a', -1, 1553471860, 1553471860, '36c65c16', -10, 0, 0)

Line : 187
File : sessions.php