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 ('26b0433ec60970e1a8c77e46bcbf58ed', -1, 1416767260, 1416767260, '36e329f2', -1, 0, 0)

Line : 172
File : sessions.php