Table of Contents

• Frequently Asked Questions (FAQs)
  
• I am receiving an error "Bad Request - Header Field Too Long" (HTTP Error 400).
• I am receiving an error that says "Error Report Activity ID."
  
• I am receiving an error that says "Server Error in '/AttendanceWeb' Application.  Object reference not set to an instance of an object."
• I don't want to clear the cache and cookies.  What are alternative options?
• Use a different web browser
• Open an incognito or private window
• Restart your device
  
• How to Clear Cache & Cookies
• Google Chrome
• Mozilla Firefox
• Safari for Mac
• Microsoft Edge
• Microsoft Internet Explorer
  

Frequently Asked Questions (FAQs)

I am receiving an error "Bad Request - Header Field Too Long (HTTP Error 400).

This error usually indicates an issue with an outdated cookie or cached file on the web browser you're using.  Follow the steps for How to Clear Cache & Cookies, then try the login again.  Alternatively, you can try from a different web browser.

I am receiving an error that says "Error Report Activity ID."

This error usually happens if you have an expired login session when using Single sign-on (SSO).

If you receive this error continuously, lease try clearing the cache/cookies from your web browser. Then close all the browser windows and try the login again.

Here is our guide for How to Clear Cache & Cookies. You may have to set the time range to “All Time” or “Everything”.

I don't want to clear the cache and cookies.  What are alternative options?

If you don't want to clear the cache and cookies, you could try the following.  Please note these suggestions may not offer a permanent solution to the issue you're experiencing but can serve as a workaround or alternative.

Use a different web browser

For example, if you normally use Google Chrome, try Microsoft Edge or Apple Safari browser.

Open an incognito or private window

When you open an incognito or private window in your web browser, it will behave as if there is no saved cache/cookies for the websites you're visiting.

1. On Google Chrome:
   
1. Select the three dots on the top right corner to open Customize and control Google Chrome, then select New Incognito Window.
2. Or, press Ctrl + Shift + N on your keyboard.
2. On Mozilla Firefox:
1. Select the three lines on the top right corner to Open application menu, then select New Private Window.
2. Or, press Ctrl + Shift + P on your keyboard.
3. On Microsoft Edge:
1. Select the three lines on the top right corner for Settings and more, then select New InPrivate Window.
2. Or, press Ctrl + Shift + N on your keyboard.
4. On Apple Safari (for Mac):
1. In the Safari app on your Mac, choose File > New Private Window, or switch to a private window that’s already open.

Restart your device

Sometimes restarting your device will also help to clear errors you're experiencing with cache/cookies on the web browser.

How to Clear Cache & Cookies

1. Open Safari.
2. In the menu bar on the top of the screen, select History.  
3. At the bottom of the menu that appears, select Clear History...
   
4. In the pop up window that appears (for "Clearing history will remove related cookies and other website data."), select an option to Clear.  Your choices are the last hour, today, today and yesterday, or all history. 
   
5. Select Clear History.  Then the pop up window will close.
6. Close all Safari windows, then restart Safari.

Microsoft Edge

1. Open Microsoft Edge.
   
2. In the top right corner, select the 3 horizontal dots (for "Settings and more"). 
3. Select Settings.
4. In the new window that appears (for "Settings"), select Privacy, search and services.
5. Under Clear browsing data, select Choose what to clear.
1. Alternatively, press Ctrl + Shift + Delete on your keyboard.
6. In the pop up window that appears (for "Delete Browsing History"), select Preserve Favorites website data, Temporary Internet Files and website files, Cookies and website data, and History.
   
7. Select Delete.  Then the pop up window will close.
   
8. Close all Edge windows, then restart Microsoft Edge.

Microsoft Internet Explorer

1. Open Internet Explorer.
   
2. In the top right corner, select the gear icon (for Tools).
3. Select Safety, then Delete browsing history...
1. Alternatively, press Ctrl + Shift + Delete on your keyboard.
   
4. In the pop up window that appears (for "Delete Browsing History"), select Preserve Favorites website data, Temporary Internet Files and website files, Cookies and website data, and History.
5. Select Delete.  Then the pop up window will close.
6. Close all Edge windows, then restart Microsoft Edge.