[COOT] Coot Bad magic number errors

Hi all - Two of the grad students in our structural biology course are having similar problems installing Coot on their Mac computers using the stand-alone packageshttp://sage.ucsc.edu/~wgscott/xtal/wiki/index.php/Stand-Alone_Coot from Bill Scott's Crystallography on OS X website. I've pasted

[COOT] Stand-Alone Coot -automated builds for OS X 10.6.X 64-bit

I'm attempting to generate automated builds of coot pre-releases for OS X 10.6.X users. These are 64-bit. If all works well, there should be a new one every day (assuming a new source tarball is available). http://sage.ucsc.edu/~wgscott/xtal/wiki/index.php/Stand-Alone_Coot Please let me