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 ('d46e37e4f7781fd261507b4b0c389d78', -1, 1416964265, 1416964265, '36571e02', -4, 0, 0)

Line : 187
File : sessions.php