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 ('e56394242983b874c9d70adbc61d97ff', -1, 1713523317, 1713523317, '12bdb225', -7, 0, 0)

Line : 187
File : sessions.php