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 ('f71c1a370214b11340fe525b6724d154', -1, 1713493729, 1713493729, '03889a67', -4, 0, 0)

Line : 187
File : sessions.php