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 ('8719b7e6fb6e7e53ea08b5cdad037709', -1, 1218223755, 1218223755, '26673f12', 305, 0, 0)

Line : 189
File : sessions.php