phpBB by Przemo : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '40e9c087b96a5c5b843e331e93fc03a6' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('40e9c087b96a5c5b843e331e93fc03a6', -1, 1783193223, 1783193223, 'd849d9a2', -9, 0)

Line : 337
File : sessions.php