phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b8b5b460705328ec15bcc422d4344008' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b8b5b460705328ec15bcc422d4344008', -1, 1758062976, 1758062976, 'ac100116', -9, 0, 0)

Line : 192
File : sessions.php