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Message: System.IO.FileLoadException : Could not load file

Lokesh Rajana

Message: System.IO.FileLoadException : Could not load file or assembly 'Microsoft.Extensions.DependencyInjection.Abstractions, Version=1.1.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

whilwe doing unit testing in asp.netr core with angular2, i am facing this error .

please help me out of this.

1 Reply

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Nilesh Shah9y ago
Accepted answer
the test project needs to have all nuget packages / dlls references of the original project, including web / app config file settings.