phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('0e3375319c02510dedc29ea746b0fb10', -1, 1466947851, 1466947851, '36a2bb09', 7, 0, 0)

Line : 187
File : sessions.php