(Solved) Error: Invalid temp directory in chart handler configuration [c:\TempImageFiles\]

Solution for this error is,

• Go the the Web.config file in your ASP.NET application
• Navigate to the below line

<add key="ChartImageHandler" value="storage=file;timeout=20;dir=c:\TempImageFiles\;">
</add>

• Just remove the dir element from the add attribute like below

<add key="ChartImageHandler" value="storage=file;timeout=20;">
</add>

• Publish your app.