![Mismatch](https://crmtipoftheday.com/wp-content/uploads/2018/07/mismatch-250x131.jpg)
Problem Another week, another challenge from Guido “Future Olive Farmer” Preite: I created a plugin for one Online instance (version 8.2.2.1862), I created a class library project with .NET 4.5.2 and with nuget I installed the Microsoft.CrmSdk.CoreAssemblies version 9.0.2.3 I registered the plugin and I always get this error: Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=8.0.0.0, Culture=neutral, […]