phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('01f39c89966f9181b83b75bcb35b9eee', -1, 1737641677, 1737641677, '0390687b', -9, 0, 0)

Line : 187
File : sessions.php