ASP.NET - file path too long exception

Error message:

Server Error in '/' Application.

The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IO.PathTooLongException: The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.
Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

 

Solution :

web.config append the following configuration at

<system.web>
…
<httpRuntime maxUrlLength="1000" relaxedUrlToFileSystemMapping="true" />
…
</system.web>