Space removal is not permitted and generates exception as below. This could be cause by some data dependencies related to templates and spaces.

2007-03-21 12:09:28,765 ERROR [http-9090-Processor4] [opensymphony.webwork.dispatcher.ServletDispatcher] serviceAction Could not execute action

org.springframework.orm.hibernate.HibernateObjectRetrievalFailureException: deleted object would be re-saved by cascade (remove deleted object from associations): 6455299, of class: com.atlassian.confluence.pages.templates.PageTemplate; nested exception is net.sf.hibernate.ObjectDeletedException: deleted object would be re-saved by cascade (remove deleted object from associations): 6455299, of class: com.atlassian.confluence.pages.templates.PageTemplate

net.sf.hibernate.ObjectDeletedException: deleted object would be re-saved by cascade (remove deleted object from associations): 6455299, of class: com.atlassian.confluence.pages.templates.PageTemplate