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 ('9e66c5170ef72ffc9d409797f3accad0', -1, 1772156862, 1772156862, 'd849d851', 1, 0, 0)

Line : 187
File : sessions.php