Hello

I am having an error message when upgrading forms. (see below) Anyone have an idea please? thanks

Server Error in '/' Application.

Could not load all types from "Umbraco.Forms.Core, Version=6.0.7.0, Culture=neutral, PublicKeyToken=null" due to LoaderExceptions, skipping: . System.TypeLoadException on umbraco.interfaces.IDiscoverable: Could not load type 'umbraco.interfaces.IDiscoverable' from assembly 'interfaces, Version=1.0.6185.24081, Culture=neutral, PublicKeyToken=null'. . System.TypeLoadException on umbraco.interfaces.IDiscoverable: Could not load type 'umbraco.interfaces.IDiscoverable' from assembly 'interfaces, Version=1.0.6185.24081, Culture=neutral, PublicKeyToken=null'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Reflection.ReflectionTypeLoadException: Could not load all types from "Umbraco.Forms.Core, Version=6.0.7.0, Culture=neutral, PublicKeyToken=null" due to LoaderExceptions, skipping: . System.TypeLoadException on umbraco.interfaces.IDiscoverable: Could not load type 'umbraco.interfaces.IDiscoverable' from assembly 'interfaces, Version=1.0.6185.24081, Culture=neutral, PublicKeyToken=null'. . System.TypeLoadException on umbraco.interfaces.IDiscoverable: Could not load type 'umbraco.interfaces.IDiscoverable' from assembly 'interfaces, Version=1.0.6185.24081, Culture=neutral, PublicKeyToken=null'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[ReflectionTypeLoadException: Could not load all types from "Umbraco.Forms.Core, Version=6.0.7.0, Culture=neutral, PublicKeyToken=null" due to LoaderExceptions, skipping: . System.TypeLoadException on umbraco.interfaces.IDiscoverable: Could not load type 'umbraco.interfaces.IDiscoverable' from assembly 'interfaces, Version=1.0.6185.24081, Culture=neutral, PublicKeyToken=null'. . System.TypeLoadException on umbraco.interfaces.IDiscoverable: Could not load type 'umbraco.interfaces.IDiscoverable' from assembly 'interfaces, Version=1.0.6185.24081, Culture=neutral, PublicKeyToken=null'. ] Umbraco.Core.TypeFinder.GetTypesWithFormattedException(Assembly a) +880 Umbraco.Core.TypeFinder.GetClasses(Type assignTypeFrom, IEnumerable1 assemblies, Boolean onlyConcreteClasses, Func2 additionalFilter) +542 Umbraco.Core.PluginManager.LoadViaScanningAndUpdateCacheFile(TypeList typeList, TypeResolutionKind resolutionKind, Func1 finder) +53 Umbraco.Core.PluginManager.ResolveTypes(Func1 finder, TypeResolutionKind resolutionType, Boolean cacheResult) +2051 Umbraco.Core.PluginManager.ResolveTypes(Boolean cacheResult, IEnumerable`1 specificAssemblies) +183 Umbraco.Core.CoreBootManager.InitializeApplicationEventsResolver() +47 Umbraco.Core.CoreBootManager.Initialize() +744 Umbraco.Web.WebBootManager.Initialize() +101 Umbraco.Core.UmbracoApplicationBase.StartApplication(Object sender, EventArgs e) +307