GVA: bug with some membres or past members balances

This is the related thread: https://forum.duniter.org/t/bug-balance-db-gva/9805

Some membre wallets or past members have a negative balance..

We can see it easily on this page, when order by balance (Solde Ğ1 column): https://g1-stats.axiom-team.fr/data/search.html