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 ('c9ba4c49dc5e7e9201b2554aa3b349d8', -1, 1714259580, 1714259580, '038a7226', -9, 0)

Line : 158
File : sessions.php