ok hatte ich überlesen das die alte gelöscht werden muss

beim Update kommt

An update of package de.hostingtime.contact.form from version 1.0.0 pl 3 to 1.0.0 pl 4 is not supported.

Stacktrace:
#0 /home/www/hubo/htdocs/wcf/lib/system/package/PackageInstallationScheduler.class.php(518): wcf\system\package\PackageInstallationScheduler->findShortestUpdateThread('de.hostingtime....', Array, '1.0.0 pl 3', '1.0.0 pl 4')
#1 /home/www/hubo/htdocs/wcf/lib/system/package/PackageInstallationScheduler.class.php(106): wcf\system\package\PackageInstallationScheduler->updatePackage(388, '1.0.0 pl 4')
#2 /home/www/hubo/htdocs/wcf/lib/system/package/PackageInstallationScheduler.class.php(67): wcf\system\package\PackageInstallationScheduler->tryToInstallPackage(Object(wcf\data\package\Package), '1.0.0 pl 4', true, false)
#3 /home/www/hubo/htdocs/wcf/lib/data/package/update/PackageUpdateAction.class.php(497): wcf\system\package\PackageInstallationScheduler->buildPackageInstallationStack(false)
#4 /home/www/hubo/htdocs/wcf/lib/data/package/update/PackageUpdateAction.class.php(449): wcf\data\package\update\PackageUpdateAction->createQueue('update')
#5 [internal function]: wcf\data\package\update\PackageUpdateAction->prepareUpdate()
#6 /home/www/hubo/htdocs/wcf/lib/data/AbstractDatabaseObjectAction.class.php(196): call_user_func(Array)
#7 /home/www/hubo/htdocs/wcf/lib/action/AJAXProxyAction.class.php(77): wcf\data\AbstractDatabaseObjectAction->executeAction()
#8 /home/www/hubo/htdocs/wcf/lib/action/AJAXInvokeAction.class.php(96): wcf\action\AJAXProxyAction->invoke()
#9 /home/www/hubo/htdocs/wcf/lib/action/AbstractAction.class.php(49): wcf\action\AJAXInvokeAction->execute()
#10 /home/www/hubo/htdocs/wcf/lib/action/AJAXInvokeAction.class.php(63): wcf\action\AbstractAction->__run()
#11 /home/www/hubo/htdocs/wcf/lib/system/request/Request.class.php(58): wcf\action\AJAXInvokeAction->__run()
#12 /home/www/hubo/htdocs/wcf/lib/system/request/RequestHandler.class.php(139): wcf\system\request\Request->execute()
#13 /home/www/hubo/htdocs/acp/index.php(10): wcf\system\request\RequestHandler->handle('wbb', true)
#14 {main}