“I had developed a team site on a virtual machine with the intention to move it to a WSS install once it was ready. I planned on using STSADM -o export to achieve this.
Initially I had a problem exporting the site because of a feature I had created and then changed from being Site scoped (Web) to Site Collection scoped (Site). I received the following error…
FatalError: Failed to compare two elements in the array”
You can find this article here.