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An Unhandled Exception on the Current Circuit

blazor-403270-troubleshooting-common-component-issues-an-unhandled-exception-on-the-current-circuit.md

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An Unhandled Exception on the Current Circuit

  • Jan 20, 2026

You may see the following error message about an exception on the current circuit:

There was an unhandled exception on the current circuit, so this circuit will be terminated. For additional information, turn on detailed exceptions in ‘CircuitOptions.DetailedErrors’.

To get more information about the error, add the following code to the Program.cs file:

csharp
builder.Services.AddServerSideBlazor().AddCircuitOptions(options => { options.DetailedErrors = true; });