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Articles tagged with #troubleshooting
You upgraded a service, deployed it, and a single endpoint started throwing this: System.InvalidOperationException: Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to t
You add an entity, run dotnet ef migrations add AddOrders, and the tooling stops dead: Unable to create an object of type 'AppDbContext'. For the different patterns supported at design time, see https
You called an endpoint that returns an Entity Framework Core entity, and instead of clean JSON you got a wall of red: System.Text.Json.JsonException: A possible object cycle was detected. If you are s
You follow a Microsoft.Extensions.AI tutorial, paste in the code, hit build, and the compiler stops you cold: CS1061: 'IChatClient' does not contain a definition for 'CompleteAsync' and no accessible
If you have hit System.InvalidOperationException: The instance of entity type 'X' cannot be tracked because another instance with the same key value for {'Id'} is already being tracked, you are lookin
Structured output is one of the most useful capabilities in Microsoft.Extensions.AI - calling GetResponseAsync<T>() and getting a typed C# object back instead of raw text. In production, I've seen tea
