This will be caused by a bad link when connecting to your Access Hosted Servers.
1. Please go to: https://gateway.accessacloud.com/
2. Sign in
3. Select Dimensions
4. Try to type in the application
If the keyboard is still not responding, our support team will need to investigate, run scripts or liaise with the hosting or development teams. Any Issues with contacting us, please see the following Get support in Dimensions.