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 ('b8a6a60c1526c9d4715253b4f4f5f5a4', -1, 1737484185, 1737484185, '12dfd253', -9, 0, 0)

Line : 187
File : sessions.php