This error is encountered when the temporary image directory is missing or improperly setup.
To resovle this issue, you will need to create a temporary directory where the Graphics Server .NET component will save the generated charts.
To set this up, follow these steps:
- Create a directory somewhere under your \wwwroot
Set the following properties in your chart control
Where can I download the Graphics Server .NET Developer's Kit?
You can download the Graphics Server .NET Developer's Kit Here.