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Method "cSiteApp::getMetadataReader" is not available

Amin Taheri

Golden Pleskian
Plesk Certified Professional
when attempting to install an app from the appvault i get the following error

I cannot install an application from the vault {Domains -> <domain name> -> Web Applications}. The following error is shown:

ERROR: PleskFatalException
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Method "cSiteApp::getMetadataReader" is not available for this type of package

0: /usr/local/psa/admin/plib/SiteApps/class.cSiteApp.php:565
cSiteApp->getMetadataReader()
1: /usr/local/psa/admin/plib/SiteApps/FusionSiteAppManager.php:461
FusionSiteAppManager->prepareScriptEnvVars(object of type SiteApp, array, array, array, array)
2: /usr/local/psa/admin/plib/SiteApps/FusionSiteAppManager.php:691
FusionSiteAppManager->uninstallSiteApp(object of type SiteApp, boolean false, boolean true)
3: /usr/local/psa/admin/plib/SiteApps/FusionSiteAppPackageManager.php:207
FusionSiteAppPackageManager->installSiteApp(object of type APSClientApplicationItem, string 'domain', integer '413', array, array, array, array, boolean false, array)
4: /usr/local/psa/admin/htdocs/siteapp/fusion_siteapp_install.php:501

Per the KB article here http://kb.parallels.com/en/6168 it says its fixed since 8.6 -- but I am using 9.x so its obviously not fixed.

Why is this happening and how do I get this fixed?
 
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