Monitoring URL .... XML-File Tag missing

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1

Monitoring-URL: https://Server-FQN/ocs/v2.php/apps/serverinfo/api/v1/info
i think, its not correct. (the ending tag “theme/” is missing)

<nextcloud>
		<system>
			<version>12.0.2.0</version>
			<theme/>
				<enable_avatars>yes</enable_avatars>
			</theme>
			<enable_previews>yes</enable_previews>
		       <memcache.local>none</memcache.local>

have a nice day
Detlef

Nextcloud version (12.0.2):
Operating system and version (Ubuntu 14.04.5 LTS):