1. Add the field "FinishedOn" on MachineError table

EVCB_OCPP.Domain/Models/MainDb/MachineError.cs

@@ -28,4 +28,6 @@ public partial class MachineError
     public string VendorErrorCode { get; set; }
 
     public string ChargeBoxId { get; set; }
+
+    public DateTimeKind FinishedOn { get; set; }
 }