EF Core 3.x providers are not compatible with EF Core 5.x.

lauxjpn · lauxjpn · commit 30336a9cc730 · 2020-11-28T15:57:40.000+01:00
diff --git a/Dependencies.targets b/Dependencies.targets
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <EFCoreVersion>3.1.10</EFCoreVersion>
+    <EFCoreVersion>[3.1.10, 5.0.0)</EFCoreVersion>
     <MicrosoftExtensionsVersion>3.1.10</MicrosoftExtensionsVersion>
   </PropertyGroup>
 
