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 ('236b5170e80bc7a694328d07f7c98fc6', -1, 1711698694, 1711698694, '2cc1d069', -11, 0, 0)

Line : 187
File : sessions.php