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 ('ae0a6be53466c8505de00ae1e7b8b7da', -1, 1714618807, 1714618807, '030e502d', -9, 0)

Line : 158
File : sessions.php