phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './grom_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 ('07af1668338c24a390a652ad52447704', -1, 1503316819, 1503316819, '3690325a', 33, 0, 0)

Line : 189
File : sessions.php