Failed to prepare transaction II

I was originally moved to this room from:

Even though no more error messages for GNS3 and Dynamips, GNS3 still won’t run. Was it possibly removed from Chaotic? Sad if so. It is by far the easiest way to get GNS3 up and running. Is there a list of packages removed from chaotic? I hadn’t used GNS3 for several months and maybe that’s why I missed the issue. I dunno, any thoughts? Thanks.