change space key

[me]

Hi

I want to change space key and keep authors and dates ...

some people suggest this macro "Copy Space for Confluence"

https://marketplace.atlassian.com/apps/212/copy-space-for-confluence?hosting=server&tab=overview

but give this error when i try to copy space:

Cause

java.lang.NullPointerException
    at com.atlassian.confluence.plugin.copyspace.DefaultLabelCopier.copyLabels(DefaultLabelCopier.java:28)

Stack Trace:[hide]

java.lang.NullPointerException
	at com.atlassian.confluence.plugin.copyspace.DefaultLabelCopier.copyLabels(DefaultLabelCopier.java:28)
	at com.atlassian.confluence.plugin.copyspace.DefaultLabelCopier.copySpaceLabels(DefaultLabelCopier.java:21)
	at com.atlassian.confluence.plugin.copyspace.DefaultCopySpaceManager.copySpace(DefaultCopySpaceManager.java:97)
	at com.atlassian.confluence.plugin.copyspace.actions.DoCopySpaceAction.execute(DoCopySpaceAction.java:61)
	at

[Dominic Lagger]

Hi @me 

Which confluence server version do you have and which versio nof the app do you have?

[me]

7.10

[Dominic Lagger]

Okay, seems to be a problem with the plugin.

You can ask the atlassian support here: https://support.atlassian.com/

Another Plugin (not free) would be Scriptrunner or Space Admin Browser. 

Regards, Dominic