# Class AmbiguousWorkflowTenantIdException OptimaJet.Workflow.Api.Exceptions.AmbiguousWorkflowTenantIdException Thrown when the tenant header and query parameter specify different tenants. Namespace: [OptimaJet.Workflow.Api.Exceptions](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Exceptions/) ```csharp public class AmbiguousWorkflowTenantIdException : ArgumentException, ISerializable ``` ## Type Hierarchy - [Exception](https://learn.microsoft.com/dotnet/api/system.exception) - [SystemException](https://learn.microsoft.com/dotnet/api/system.systemexception) - [ArgumentException](https://learn.microsoft.com/dotnet/api/system.argumentexception) - AmbiguousWorkflowTenantIdException Current type - Implemented interfaces - [ISerializable](https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable) ## Constructors `public AmbiguousWorkflowTenantIdException()` Initializes an exception for conflicting request tenant identifiers. [Previous Operation](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Configuration/Operation-TInput-TSuccess/) [Next AttemptedToSetSystemProcessParameterException](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Exceptions/AttemptedToSetSystemProcessParameterException/)