The template you have chosen is invalid or cannot be found.

http://msmvps.com/blogs/obts/archive/2007/04/11/783592.aspx

http://www.eggheadcafe.com/software/aspnet/30421014/the-template-you-have-cho.aspx

http://p2p.wrox.com/topic.asp?TOPIC_ID=66606

http://support.microsoft.com/kb/925189

http://social.technet.microsoft.com/en-US/Profile/?user=I%20am%20Anonymous&referrer=http%3a%2f%2fsocial.technet.microsoft.com%2fForums%2fen-US%2fsharepointgeneral%2fthread%2f6fad2012-d504-4a7e-9327-1b25cdf5ec49%2f&rh=g4C361yitS3iPlP1L%2b2rAsMo6DDnju%2bpse3s2bXiChY%3d

http://ari.provoke.co.nz/archive/2007/05/29/moss-site-templates-not-compatible-with-wss.aspx

http://msmvps.com/blogs/shane/archive/2005/11/02/74038.aspx

http://support.microsoft.com/?id=907308

http://www.codeplex.com/CKS/Thread/View.aspx?ThreadId=8839

http://microsoft1.groupbrowser.com/search.php?searchid=6904

http://www.cnblogs.com/fengzhimei/archive/2008/11/06/1328331.html

https://www.microsoft.com/communities/newsgroups/en-us/default.aspx?dg=microsoft.public.sharepoint.design_and_customization&tid=306a2e82-0b27-4fcf-baa1-fee1719dee66&cat=en_US_78AE2ED7-B9DD-68D8-0CD2-32900E141E6C&lang=en&cr=US&sloc=&p=1

http://blogs.msdn.com/jjameson/archive/2008/04/08/creating-a-site-template-in-moss-2007-that-works-in-wss-v3.aspx

http://www.portalsolutions.net/Blog/Lists/Posts/Post.aspx?List=d03af188%2Da06f%2D4be1%2D99e9%2Dd18606093b99&ID=6

http://madhurahuja.blogspot.com/2006/09/site-definitions-demystified-creating_03.html

http://www.codeplex.com/STPInspector

 

In my case the problem was… the client had Standard Client Access License of SharePoint and the development servers had Enterprise Client Access License…