title: forrtl: severe (157): Program Exception - access violation
body: <p>I am using "thrgibbs1f90b" one of BLUPF90 Family of Programs which is based on "fortran" and used for gibbs sampling to estimate the variance component for binary data.  In each time I try to run thrgibbs1f90b I get the following error message:</p>
  
  <p>forrtl: severe (157): Program Exception - access violation</p>
  
  <pre><code>Image               PC                Routine            Line        Source
  
  thrgibbs1f90b.exe    0000000140021961    Unknown    Unknown    Unknown
  thrgibbs1f90b.exe    000000014000BB5B    Unknown    Unknown    Unknown
  thrgibbs1f90b.exe    000000014026B41C    Unknown    Unknown    Unknown
  thrgibbs1f90b.exe    000000014024F4E3    Unknown    Unknown    Unknown
  kernel32.dll         0000000076E2652D    Unknown    Unknown    Unknown
  ntdll.dll            0000000076F5C521    Unknown    Unknown    Unknown
  </code></pre>
  
  <p>Any idea why I have this message?  </p>
  
  <p>Thanks!</p>