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 ('4159367db5d706e1ae43de7bdc84d6ae', -1, 1418996100, 1418996100, '36525972', 1, 0, 0)

Line : 189
File : sessions.php