wcf\system\exception\SystemException

Error Message:

Unknown parent page 'com.cls.easymedia.ImageList' for page identifier 'com.cls.easymedia.Image'

File:

*/lib/system/package/plugin/PagePackageInstallationPlugin.class.php (182)

Stack Trace:

    #0 */lib/system/package/plugin/AbstractXMLPackageInstallationPlugin.class.php (168):
    wcf\system\package\plugin\PagePackageInstallationPlugin->prepareImport()
    #1 */lib/system/package/plugin/AbstractXMLPackageInstallationPlugin.class.php (72):
    wcf\system\package\plugin\AbstractXMLPackageInstallationPlugin->importItems()
    #2 */lib/system/package/plugin/AbstractPackageInstallationPlugin.class.php (76):
    wcf\system\package\plugin\AbstractXMLPackageInstallationPlugin->install()
    #3 */lib/system/package/PackageInstallationDispatcher.class.php (807):
    wcf\system\package\plugin\AbstractPackageInstallationPlugin->update()
    #4 */lib/system/package/PackageInstallationDispatcher.class.php (155):
    wcf\system\package\PackageInstallationDispatcher->executePIP()
    #5 */lib/acp/action/InstallPackageAction.class.php (82):
    wcf\system\package\PackageInstallationDispatcher->install()
    #6 */lib/action/AbstractDialogAction.class.php (73):
    wcf\acp\action\InstallPackageAction->stepInstall()
    #7 */lib/action/AbstractAction.class.php (57):
    wcf\action\AbstractDialogAction->execute()
    #8 */lib/system/request/Request.class.php (90):
    wcf\action\AbstractAction->__run()
    #9 */lib/system/request/RequestHandler.class.php (107):
    wcf\system\request\Request->execute()
    #10 */acp/index.php (11):
    wcf\system\request\RequestHandler->handle()