Issue extracting Message From PST

On the attached PST, when attempting to extract the 5th index file i get an exception.  Please use the following info to reproduce.

Load the PST and then

get folder by Id
 "AAAAAEmawqAHtVdLlVzTu937zMACgQAA"

extract message

AAAAAEmawqAHtVdLlVzTu937zMDEAyAA

{"Could not read message"}

{"Length cannot be less than zero.\r\nParameter name: length"}

   at System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy)
   at    .  . .   .   ()
   at    .  .   (String )
   at    .   .  (MapiPropertyCollection )
   at    .   .  (   )
   at    .   .ReadMessage(UInt32 )