Error google analytics in source code

We are also facing the following error :

Same here 

Hello!

Please note, that in the next version that issue should be already solved.

Now if it does not affect the site using, you can ignore it, but if it is affecting, then you need to follow the following instructions:

In root .\Web.config under section:

 <configuration>

   <system.webServer>

       <security>

          <requestFiltering>

             <denyQueryStringSequences> 

please add two new sequences "../" and "..\" and delete the old one "..".

Please find the sample with the target configuration below

<configuration>

...

  <system.webServer>

  ...

    <security>

      <requestFiltering>

         <denyQueryStringSequences>

            <add sequence="../" />

            <add sequence="..\" />

         </denyQueryStringSequences>

      </requestFiltering>

   </security>

  </system.webServer>

...

</configuration>