Bom dia , estou tentando a vários dias sincronizar minhas atividades manualmente pelo Garmin com o arquivo fit , só que quando carrega a página ela fica toda em branco
Not an answer, but there have been a few posts related to this, such as - Can't upload a file - Garmin Connect Web - Mobile Apps & Web - Garmin Forums
I suggest contacting Garmin Product Support in your area to report the issue - https://support.garmin.com.