Server Error in '/hardware store' Application

Question

Could not load file or assembly 'CopmuterOnLine' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded.

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.BadImageFormatException: Could not load file or assembly 'CopmuterOnLine' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded.

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.

Assembly Load Trace: The following information can be helpful to determine why the assembly 'CopmuterOnLine' could not be loaded.

=== Pre-bind state information === LOG: User = Azharudeen-PC\Nizar LOG: DisplayName = CopmuterOnLine (Partial) LOG: Appbase = file:///D:/N projects/virtual tea/projects/extracted/hardware store/ LOG: Initial PrivatePath = D:\N projects\virtual tea\projects\extracted\hardware store\bin Calling assembly : (Unknown). === LOG: This bind starts in default load context. LOG: Using application configuration file: D:\N projects\virtual tea\projects\extracted\hardware store\web.config LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\machine.config. LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind). LOG: Attempting download of new URL file:///C:/Users/Nizar/AppData/Local/Temp/Temporary ASP.NET Files/hardware store/172b93db/61e5286e/CopmuterOnLine.DLL. LOG: Attempting download of new URL file:///C:/Users/Nizar/AppData/Local/Temp/Temporary ASP.NET Files/hardware store/172b93db/61e5286e/CopmuterOnLine/CopmuterOnLine.DLL. LOG: Attempting download of new URL file:///D:/N projects/virtual tea/projects/extracted/hardware store/bin/CopmuterOnLine.DLL. ERR: Failed to complete setup of assembly (hr = 0x8013101b). Probing terminated.