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, session_admin) VALUES ('9b2ea89dcae42da41039d177634fe68e', -1, 1730414856, 1730414856, '12740e6f', -1280, 0, 0)

Line : 195
File : sessions.php