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 ('2fffe7e7949d8e93e8ca65575b4bf83f', -1, 1714291942, 1714291942, '12d974b7', -10, 0)

Line : 158
File : sessions.php