phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '244e9a904e819d5b7f0334c9a116718c' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('244e9a904e819d5b7f0334c9a116718c', -1, 1778110361, 1778110361, 'd849d978', 0, 0, 0, '0')

Line : 187
File : sessions.php