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 ('fffc1ab044172ffccb0aa60c99c1fd36', -1, 1714350974, 1714350974, '12be9f0a', 3, 0)

Line : 158
File : sessions.php