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 ('d175dc7c73c9365975a01c5e44a58631', -1, 1429375020, 1429375020, '36919102', 1, 0, 0)

Line : 189
File : sessions.php