This essentially means it couldn’t reach the url. This could be for a number of reasons. If you want to file a ticket at http://issues.freepbx.org for “error handling” we can make that prettier but it is likely a networking issue of some fashion assuming the remote server is up
I rather surmised that from the error message, as messy as it is in its presentation. And I did verify that the URL was in fact available from both the locations that are currently reporting the issue which leads me to believe that it is a bug introduced in a recent update rather than a networking issue.
The initial dialog box presented when the function is invoked appears incomplete:
And as noted this had been working previously. Further thoughts?
And just to save time, I did check for updates on the system this morning. There were a total of four which appeared unrelated and had no obvious effect in any case.