我为我的dnn网站开发了一个自定义登录模块，我可以在本地主机上安装自定义登录安装dnn版本05.06.01（238），但是当我尝试在我的Live网站上安装它时安装了相同的dnn版本，它无法安装并显示错误如下
包装安装报告
请参阅下面的软件包安装结果
Error loading files from temporary folder - see below
StartJob Starting Installation
Info Starting Installation - DNN_CustomLoginAuthentication
Info Starting Installation - AuthenticationSystem
Info Authentication registered successfully - CustomLogin
Info Component installed successfully - AuthenticationSystem
Info Starting Installation - Assembly
Info Assembly registered - bin\Providers\DotNetNuke.Authentication.CustomLogin.dll
Info Created - bin\Providers\DotNetNuke.Authentication.CustomLogin.dll
Info Component installed successfully - Assembly
Info Starting Installation - File
Info Folder Created -
C:\inetpub\vhosts\CITYBROKERS.GR\httpdocs\DesktopModules\AuthenticationServices\CustomLogin\App_LocalResources
Info Created - App_LocalResources\Login.ascx.resx
Info Created - App_LocalResources\Settings.ascx.resx
Info Created - Login.ascx
Info Created - Settings.ascx
Info Created - license.txt
Info Created - CustomLogin_05.00.01_ReleaseNotes.txt
Info Created - trusterror.htm
Info Created - install.css
Info Created - logo.gif
Info Component installed successfully - File
Info Starting Installation - ResourceFile
Info Component installed successfully - ResourceFile
Info Starting Installation - Cleanup
Info Component installed successfully - Cleanup
Info Starting Installation - Config
Info Creating backup of previous version - web.config
Failure ExceptionSystem.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Services.Installer.XmlMerge.UpdateNode(XmlNode rootNode, XmlNode actionNode) at DotNetNuke.Services.Installer.XmlMerge.ProcessNode(XmlNode node) at DotNetNuke.Services.Installer.XmlMerge.ProcessNodes(XmlNodeList nodes, Boolean saveConfig) at DotNetNuke.Services.Installer.XmlMerge.UpdateConfig(XmlDocument target) at DotNetNuke.Services.Installer.Installers.ConfigInstaller.Install()
Failure Installation Failed - Config
Info Rolling back component install - AuthenticationSystem
Info Authentication unregistered successfully - CustomLogin
Info Component rolled back successfully - AuthenticationSystem
Info Rolling back component install - Assembly
Info Assembly unregistered - bin\Providers\DotNetNuke.Authentication.CustomLogin.dll
Info Component rolled back successfully - Assembly
Info Rolling back component install - File
Info Component rolled back successfully - File
Info Rolling back component install - ResourceFile
Info Component rolled back successfully - ResourceFile
Info Rolling back component install - Cleanup
Info Component rolled back successfully - Cleanup
Info Installation Failed - DNN_CustomLoginAuthentication
Info Deleted temporary install folder
EndJob Installation Failed
Info Component rolled back successfully - AuthenticationSystem
答案 0 :(得分：3)
无法更新web.config。检查提供程序清单中的config部分，看看它是否引用了不存在的节点。将Symbols软件包安装到您的实际站点上，以获取发生异常的行号（或者更好的是，获取您的实时站点的本地副本并在调试器中完成安装）。
答案 1 :(得分：0)
检查您对installs文件夹的权限，确保NETWORK SERVICE / S（不记得是否有s）具有读/写权限