phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './eguoxue/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 ('ab8a1551af5097d24c4a85ef3b8c2296', -1, 1506357617, 1506357617, '7f000001', 4, 0, 0)

Line : 172
File : sessions.php