phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb5_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0089a59ea4ebdd99e78c4837a440d7cb', -1, 1674819941, 1674819941, '2cc02631', 0, 0, 0)

Line : 187
File : sessions.php