Drafts are Gone

Good morning, how are you? I’m Marcelo, and write about the domain https://www.melhorcotacaoseguro.com.br/, who creates WordPress sites in the company is someone else, and he comes to relate the drafts are disappearing from de WordPress, i did a test and same thig happend after some time the draft disappeared

Can you guys help us? We check in our DB and none of the drafts were there

Thanks

The page I need help with: [log in to see the link]