Safari (Win) - Clearing Cache and Cookies If the web address appears to be entered correctly, then the issue can usually be resolved by clearing your browser's cache and cookies.įor instructions on performing these steps, click on the appropriate link for the web browser you are using:Ĭhrome (Win) - Clearing Cache and CookiesĬhrome (Mac) - Clearing Cache and Cookiesįirefox 57+ (Win) - Clearing Cache and Cookiesįirefox 21+ (Mac) - Clearing Cache and Cookies Size of a request header field exceeds server limit.' Solutionįirst, check the website URL you entered to make sure it is correct. This error often contains the number '400' and may include additional text, such as 'Your browser sent a request that this server could not understand.
When you attempt to access a website, you may sometimes instead receive a 'Bad Request' error message where the website content should have loaded. This document describes what to do if you receive a 400 Bad Request error message upon loading a website.