Copying Campaigns Not Working

For our weekly email campaigns, I use the copy function to create the week's email. For the past few days, when I hit copy and am prompted to name the new campaign when I press save I am repeatedly getting an error message. "Copy failed. Please try again." Nothing I do is fixing the issue and I don't want to have to build the entire format from scratch. Is there anything that I can try to get this function working again?