# Class AttemptedToSetSystemProcessParameterException OptimaJet.Workflow.Api.Exceptions.AttemptedToSetSystemProcessParameterException An exception thrown when there is an attempt to set a system process parameter. Namespace: [OptimaJet.Workflow.Api.Exceptions](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Exceptions/) ```csharp public class AttemptedToSetSystemProcessParameterException : InvalidOperationException, ISerializable ``` ## Type Hierarchy - [Exception](https://learn.microsoft.com/dotnet/api/system.exception) - [SystemException](https://learn.microsoft.com/dotnet/api/system.systemexception) - [InvalidOperationException](https://learn.microsoft.com/dotnet/api/system.invalidoperationexception) - AttemptedToSetSystemProcessParameterException Current type - Implemented interfaces - [ISerializable](https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable) ## Constructors `public AttemptedToSetSystemProcessParameterException(string parameterName)` An exception thrown when there is an attempt to set a system process parameter. ### Parameters | Name | Type | Description | | --- | --- | --- | | `parameterName` | `String` | The name of the system process parameter that was attempted to be set. | [Previous Operation](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Configuration/Operation-TInput-TSuccess/) [Next DuplicateWorkflowTenantIdException](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Exceptions/DuplicateWorkflowTenantIdException/)