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 ('ed636d5fdb99f19d0e1b1a73ca4a5513', -1, 1711714222, 1711714222, '36e118f9', -1, 0, 0)

Line : 187
File : sessions.php