Solved
Your browser is unable to make a network with Adobe Marketo Engage
Have you ever seen this message? it appears constantly and I don't know the reason why.
I'm using the Google Chrome browser
any help will be appreciated

Have you ever seen this message? it appears constantly and I don't know the reason why.
I'm using the Google Chrome browser
any help will be appreciated

I don't think there's a way fix to that; it's something that Adobe has introduced in their product to signal when the connection is lost with the browser (probably due to the browser terminating (maybe partially) the connection after a period of inactivity).
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.