For the following error message

it is not configure the asp.net version properly.

So that we need to configure right version

Here I change version 1.1.4322.2443 to 2.2

Then these problem has been clear.

Server Error in '/' Application.
Parser Error
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not load the assembly 'App_Web_fxfew7pi'. Make sure that it is compiled before accessing the page.

Source Error:

Line 1:  
Line 2:  
Line 3:  


Source File: C:\Inetpub\vhosts\kalmeshwar.com\httpdocs\form-business-profile.aspx    Line: 1

Version Information: Microsoft .NET Framework Version:1.1.4322.2443; ASP.NET Version:1.1.4322.2407 

Plesk control Panel Asp.net Version Problem -Error message