SharePoint site for the development site theme, and deploy them on SharePoint sites is likely to occur at error: "Error applying site theme: A theme with the name" Citrus 1011 "and version already exists on the server."
However, delete the topic already deployed. And apply the system comes with Theme or suggest an appropriate error: "Error applying site theme: A theme with the name" Themename 1011 "and version already exists on the server."
Fortunately, find the appropriate solution:
1. Use [SPD] Sharepoint Designer to open the site, remove a site _theme category below.
2. Run - "IISreset, restart IIS.
3. Apply a new theme.
4. Application Success!
Reproduced in: https: //www.cnblogs.com/netwenchao/archive/2009/10/28/1591391.html