You can probably not establish a connection, because the connection details have been entered incorrectly in your software.
The most common error is an incorrectly entered password. The best way to enter the password is by keying it manually, because hidden characters and spaces are often copied along with the password when using copy and paste. Do not use spaces and be careful with uppercase letters. The password is case-sensitive.
When your account has been inactive, you will receive a new server address upon making a payment. Have you already modified the server settings in your news client? You can check your account details in My Eweka.
Do you have sufficient credit on your account? You can check this in My Eweka.
Sometimes it helps to briefly close the news client after updating the configuration and restart the application.
You may need to delete and reinstall the news client.