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While installing WordPress I get following error message on screen:

– ApplicationInstallationError
– PackageInstallationError:Object reference not set to an instance of an object.; at SolidCP.Server.Code.WpiHelper.InstallApplication(String appId, List`1 updatedValues, String languageId, EventHandler`1 installStatusUpdatedHandler, EventHandler`1 installCompleteHandler, String& log, String& failedMessage) at SolidCP.Providers.Web.WPIWebApplicationGallery.WPIApplicationGallery.InstallApplication(Int32 UserId, String webAppId, List`1 updatedParameters, String languageId, StringResultObject& result) at SolidCP.Providers.Web.IIs60.InstallGalleryApplication(Int32 UserId, String webAppId, List`1 updatedValues, String languageId)

And in event logs error message is as follows:

ystem.IO.IOException: Unable to write data to the transport connection: An established connection was aborted by the software in your host machine. —> System.Net.Sockets.SocketException: An established connection was aborted by the software in your host machine
at System.Net.Sockets.NetworkStream.Write(Byte[] buffer, Int32 offset, Int32 size)
— End of inner exception stack trace —
at System.Net.Sockets.NetworkStream.Write(Byte[] buffer, Int32 offset, Int32 size)
at MySql.Data.MySqlClient.TimedStream.Write(Byte[] buffer, Int32 offset, Int32 count)
at MySql.Data.MySqlClient.MySqlStream.SendPacket(MySqlPacket packet)
at MySql.Data.MySqlClient.NativeDriver.ExecutePacket(MySqlPacket packetToExecute)
at MySql.Data.MySqlClient.NativeDriver.Close(Boolean isOpen)

Please assist

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