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) VALUES ('f91ea4bae32a763048ebdb5545ad2e7c', -1, 1714421253, 1714421253, '038a72c6', 4, 0)

Line : 158
File : sessions.php