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 ('7b980f86a5e49463a32b3a5d07106b36', -1, 1713529116, 1713529116, '038dca36', 2, 0, 0)

Line : 187
File : sessions.php