phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('7087d8c25d4b0e7cfc2111933e300b9e', -1, 1714342421, 1714342421, '12bc3ddf', -10, 0)

Line : 158
File : sessions.php