There is a telemetry event Id called: AL0000G7I – Multiple custom dimensions with the same dimension name provided.

Currently (2023-12-15) this event hasn’t been documented in the offical page for telemetry events.

The reason for the error can seem pretty straightforward. Probably you have added the same dimension twice to the dimension dictionary.

However, this wasn’t the scenario in my case.

There is a function that you can add telemetry dimensions that should be appended to ALL telemetry events (from the current app).

In codeunit 8706 “Telemetry Custom Dimensions”, you can subscribe to the event OnAddCommonCustomDimensions and from that you can append custom dimensions.

    [EventSubscriber(ObjectType::Codeunit, Codeunit::"Telemetry Custom Dimensions", OnAddCommonCustomDimensions, '', false, false)]
    local procedure OnAddCommonCustomDimensions(sender: Codeunit "Telemetry Custom Dimensions")
    begin
        sender.AddCommonCustomDimension('ServerInstanceID', format(Database.ServiceInstanceId()));
        sender.AddCommonCustomDimension('ServerInstanceName', GetServerInstanceName());
        sender.AddCommonCustomDimension('ServerName', GetServerName());
    end;

And as you probably you have understood by now it was here that I got the error with the same dimensions. I tried to log send the dimension ServerName multiple times.

And there it is, I hope it solved your error.