Hello there, @LadyM.
Thanks for checking us out today. I'd be glad to help get you pointed in the right direction for assistance with getting past the Error 3371 status code 11103 that you received.
If you've tried performing the troubleshooting steps given by @Lexiesmemere above and the issue still persists, I'd suggest giving our Customer Care Team a call. They can pull up your account in a secure environment and has specialized tools to assist you such as screen sharing, to help you fix this issue and get you back on track.
Here's how you can reach them:
Don't hesitate to let me know if I can be of additional assistance. Have a great day!