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 ('215e5c5472c2108689daa77903f1d577', -1, 1713935119, 1713935119, '039368f8', -7, 0, 0)

Line : 187
File : sessions.php