java.nio.file.NotDirectoryException: /sites
	at jdk.zipfs/jdk.nio.zipfs.ZipDirectoryStream.<init>(ZipDirectoryStream.java:58)
	at jdk.zipfs/jdk.nio.zipfs.ZipPath.newDirectoryStream(ZipPath.java:714)
	at jdk.zipfs/jdk.nio.zipfs.ZipFileSystemProvider.newDirectoryStream(ZipFileSystemProvider.java:257)
	at java.base/java.nio.file.Files.newDirectoryStream(Files.java:603)
	at org.ametys.plugins.contentio.archive.ZipEntryHelper.children(ZipEntryHelper.java:105)
	at org.ametys.plugins.webcontentio.archive.SiteImporter$SiteRetriever._getThreeDepthPaths(SiteImporter.java:136)
	at org.ametys.plugins.webcontentio.archive.SiteImporter$SiteRetriever.getThreeDepthPaths(SiteImporter.java:130)
	at org.ametys.plugins.webcontentio.archive.SiteImporter._retrieveSites(SiteImporter.java:106)
	at org.ametys.plugins.webcontentio.archive.SiteImporter.importSites(SiteImporter.java:87)
	at org.ametys.plugins.webcontentio.archive.SitesArchiver._partialImport(SitesArchiver.java:672)
	at org.ametys.plugins.webcontentio.archive.SitesArchiver.partialImport(SitesArchiver.java:597)
	at org.ametys.plugins.contentio.archive.ArchiveHandler._partialImport(ArchiveHandler.java:247)
	at org.ametys.plugins.contentio.archive.ArchiveHandler.partialImport(ArchiveHandler.java:279)
	at org.ametys.plugins.contentio.archive.ArchiveHandler.importAll(ArchiveHandler.java:264)
	at org.ametys.plugins.contentio.archive.ImportArchiveSchedulable._import(ImportArchiveSchedulable.java:108)
	at org.ametys.plugins.contentio.archive.ImportArchiveSchedulable.execute(ImportArchiveSchedulable.java:77)
	at org.ametys.core.schedule.AmetysJob.execute(AmetysJob.java:151)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)