# Class CommandNotValidException

OptimaJet.Workflow.Core.Fault.CommandNotValidException

Represents an exception thrown when a command is not valid for the current workflow operation.

Namespace: [OptimaJet.Workflow.Core.Fault](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/)

```csharp
public class CommandNotValidException : Exception, ISerializable
```

## Type Hierarchy

-   [Exception](https://learn.microsoft.com/dotnet/api/system.exception)
    -   CommandNotValidException Current type
        -   Implemented interfaces
            -   [ISerializable](https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable)

[Previous CommandNotFoundException](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/CommandNotFoundException/) [Next CommandNotValidForStateException](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/CommandNotValidForStateException/)