Hello Rodrigo,
Welcome to Atlassian Community!
I saw that there is a new version of Firefox (80.0), can you please update and check if it resolves the issue?
If not, check the developer tools and if it shows any error, please send us a screenshot or the error message.
Regards,
Angélica
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.