phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '678cac757e07a2a1b2f887c719b0a91b' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('678cac757e07a2a1b2f887c719b0a91b', -1, 1758226490, 1758226490, 'd849d8a9', -9, 0, 0)

Line : 187
File : sessions.php