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我正在尝试将 Elsa 工作流程集成到我的 .net 核心应用程序中。出现以下错误。

ERROR 2021-01-22 14:34:08,632 [15   ] nostics.DeveloperExceptionPageMiddleware - An unhandled exception has occurred while executing the request.
System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types.


Could not load type 'Microsoft.EntityFrameworkCore.Metadata.RelationalModelAnnotations' from assembly 
'Microsoft.EntityFrameworkCore.Relational, Version=3.1.9.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.
Could not load type 'Microsoft.EntityFrameworkCore.Metadata.RelationalPropertyAnnotations' from assembly 
'Microsoft.EntityFrameworkCore.Relational, Version=3.1.9.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.
Could not load type 'Microsoft.EntityFrameworkCore.Metadata.Internal.RelationalFullAnnotationNames' from assembly 
'Microsoft.EntityFrameworkCore.Relational, Version=3.1.9.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'

.net 核心版本：- 3.1

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1 回答 1

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确保如果您使用 .NET Core 3.1，则引用 Elsa 1.4，而不是 Elsa 1.5 或 Elsa 2.0。使用 .NET 5 时，请确保引用 Elsa 1.5 或更高版本。

于 2021-03-01T18:42:52.437 回答