Tengo este error

[godoyroberto113-crypto]

C:\Program Files (x86)\Snipe-IT\SnipeAgent\SnipeAgent>SnipeAgent.exe
28/10/2025 09:38:24: Started application.
HTTP 200: Connection to Snipe-IT instance succeded.
Attempting to create type: SnipeSharp.Endpoints.Models.Manufacturer
Instance name: Dell Inc.
Attempting to create type: SnipeSharp.Endpoints.Models.Category
Instance name: Laptop
Attempting to create type: SnipeSharp.Endpoints.Models.Model
Instance name: Latitude 5440

Excepción no controlada: SnipeSharp.Exceptions.RequiredValueIsNullException: Property Manufacturer cannot be null.
en SnipeSharp.Endpoints.QueryParameterBuilder.GetParameters(Object item) en C:\Users\mccrory\Source\SnipeSharp\SnipeSharp\Endpoints\QueryParameterBuilder.cs:línea 38
en SnipeSharp.Common.RequestManagerRestSharp.Post(String path, ICommonEndpointModel item) en C:\Users\mccrory\Source\SnipeSharp\SnipeSharp\Common\RequestManagerRestSharp.cs:línea 74
en SnipeSharp.Endpoints.EndpointManager`1.Create(T toCreate) en C:\Users\mccrory\Source\SnipeSharp\SnipeSharp\Endpoints\EndPointManager.cs:línea 113
en SnipeAgent.Broker.SyncAll(SnipeItApi snipe, Asset currentAsset, Model currentModel, Manufacturer currentManufacturer, Category currentCategory, Company currentCompany, StatusLabel currentStatusLabel, Location currentLocation) en C:\Users\mccrory\Source\SnipeAgent\Broker.cs:línea 171
en SnipeAgent.SnipeAgent.Main(String[] args) en C:\Users\mccrory\Source\SnipeAgent\SnipeAgent.cs:línea 354