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 ('87baba3ea9d5949b9d1f74863a143ece', -1, 1327711577, 1327711577, '266bb3ef', 0, 0, 0)

Line : 187
File : sessions.php