phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './nwforum_1/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 ('162e10e10d50c5580b9d7d72009d45b6', -1, 1558466813, 1558466813, '36a72ff8', -4, 0, 0)

Line : 187
File : sessions.php