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 ('c34c707e7a96eb853b4bc8da45c28620', -1, 1751106129, 1751106129, 'd849d889', -12, 0, 0)

Line : 189
File : sessions.php