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 ('613555226668a334b4217e45e4e1570f', -1, 1750187091, 1750187091, 'd849d886', -9, 0, 0)

Line : 190
File : sessions.php