phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('735d47be5d29e9b5ced09a2f1622a938', -1, 1715009031, 1715009031, '0389b285', -8, 0, 0)

Line : 189
File : sessions.php