Knowledge Center next icon Error Message: Header Field Too Long

Error Message: Header Field Too Long

If you see this error message when logging into Conversational AI Cloud, this means that you have too many cookies stored (more than 19) which weren't refreshed by your Microsoft Azure cache for some reason. 


Fixing this issue is really simple. You'll need to remove the cookies for and 

Follow these steps:

  1. Go to chrome://settings/

  2. Click Advanced 

  3. Under Privacy and security click Site settings

  4. Click Cookies and site Data

  5. Click See all cookies and site data 

  6. At the top right, search for the domain name ( and

  7. To the right of the site, click the trash bin


Read more about clearing cookies on Google Chrome Help.

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