If you are unable to perform a ‘copy to template’ and get the following error:
Failed to copy template entity, Class:
This error will be written to the error.log on the SiteScope server this operation was being performed on:
2012-06-25 10:43:55,522 [http-8080-Processor21] (TemplateProxy.java:1798) ERROR – Runtime exception occurred during copy into template, details: null
Edit the Group by adding an entry into group description. Then try the "copy to template" again.
Use global search and replace to change the group tags on all monitors in the group which will resolve the problem.