I was working with beta version of the managed package. Once I uploaded Released version of that package I'm unable to upload it again. It is not possible even to get the list of package components. It just forwards me to the following page:
The following page https://developer.salesforce.com/blogs/engineering/2015/02/gack.html says, that:
Another way is to post your experience on Stack Exchange. You can post the gack ID and stack trace ID, along with information on how it was that you encountered our lovely message. We will be able to find it there when doing our investigation.
It would be great to get some information about the exception.
Error ID: 55976285-5752 (-47604952)