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 ('0114e502d09e4b7deb4b79242e70e771', -1, 1417026152, 1417026152, '36f2beab', -1, 0, 0)

Line : 172
File : sessions.php