Click Manage Access in the main menu. Then go to the table with these keys, click on the right side of any key on the Check button. It will start to check that the access data you provided is correct. When the system finds that they are correct everything is in best order. On the other hand, for any other answer, you need to check again the information on the page and copy it correctly to the form when editing the access data.
Checking access data is required. Without checking whether or not a connection can be established, these data will remain inactive.