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 ('b3b5f78f4a69f0c2f18c8603753efc9a', -1, 1711632797, 1711632797, '22ee8f46', -1, 0, 0)

Line : 187
File : sessions.php