phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forum/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 ('f9d94bc29f4dd69efb674a36c15a1bbb', -1, 1545060519, 1545060519, '36eae44e', -4, 0, 0)

Line : 187
File : sessions.php