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 ('2cf3d8d6e1e83628a48c3856e0d277fb', -1, 1748014087, 1748014087, '0d3b2eca', -4, 0, 0)

Line : 189
File : sessions.php