WCF InvalidCastException - "from in the context ['Default' | 'LoadFrom'] at location"

[1eyhk1]

hello - any idea on this sort of exception? + [System.InvalidCastException] {" [A]MyLib.SomeAccount cannot be cast to [B]MyLib.SomeAccount. Type A originates from in the context 'Default' at location 'Y:\\MySrcCode\\FolderA\\Debug\\MyAcct.dll'. Type B originates from 'MyLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'LoadFrom' at location 'Y:\\MySrcCode\\FolderB\\Debug\\MyAcct.dll'."} System.InvalidCastException Note, class exactly the same... but folder different ... how to resolve...? This may be hint but...[^] Another hint here[^]

[Lost User]

Those are two different classes, in two different assemblies. They may look the same, the may have the same implementation; but they're not the same class.

I are Troll :suss:

[realJSOP]

Use the WCF forum for WCF questions.

.45 ACP - because shooting twice is just silly
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[Matthew Smith]

Here's a common way that the problem can be reproduced: How to reproduce InvalidCastException when binding to an assembly in the LoadFrom context