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 ('58ac9d159abde6e9a6608aea4c03dd6a', -1, 1713471539, 1713471539, '03114b0e', -7, 0, 0)

Line : 187
File : sessions.php