Getting the below error while retreiving an item from Tridion using core services.
System.ServiceModel.FaultException`1: 'Unable to get template types. Failed to load configuration from file 'D:\apps\Tridion\Config\addonsSettings.json'. Could not load file or assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.'