Yesterday I messed with the default.master file for our main portal page to allow for more real estate on the site. Today I noticed that the lists had a problem showing the bread crumbs on every single site, so I created another masterpage for only the lists and document libraries, unfortunately I did not realize what I had done...A bit later I got some complaints about "File Not Found" errors, so I realized that I did not check the file back in. Later on people start complaining about messages that...