phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './web1_db1/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 ('0c6ab341f140f5111bc464fdd2a7eee7', -1, 1510993192, 1510993192, '369c52f7', 0, 0, 0)

Line : 187
File : sessions.php