ATX 2011: 404 Error when Refreshing ERO Application

Problem: When attempting to refresh the ERO application or Bank Report in ATX 2011 software, you receive the following:
- Error: The Transmission can’t continue due to a sever error.
- Error: The Server returned status 404: Not found.
What should i do? Why i encountered server error?

X Connecting to Electronic Filing Center (EFC)
Verifying Customer Info
Receiving Acknowledgments
Disconnecting from EFC
Details
Error The transmission can continue due to a server error. Error The server returned status 404: Not Found.
