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Occasionally users will experience access issues when using the Catapult LMS. This article addresses how to resolve the following (or similar) error messages (most of which will reference a "422" error code).

This error message is most common when users are accessing Catapult resources externally via LTI (i.e. via Vasto, Moodle, Canvas, etc). 

When a user clicks on a Catapult resource inside their external LMS, they should be taken directly to the Catapult unit's home page. If the user encounters a secondary login page similar to the one shown below, this means their internet browser is blocking the use of third-party cookies;

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If a login page like the above ever appears when a user is clicking a Catapult link, this definitely means that their internet browser and/or device is blocking the use of third-party cookies.

Continuing to interact with the login page by providing a username and password will usually result in this error page;


To resolve this issue, the user will need to open up their internet browser's settings page and enable the use of third-party cookies, after which the Catapult resources should display correctly. Details on how to enable the use of third-party cookies for our preferred browser, Google Chrome, is included below.

Note that after the user has enabled the use of third-party cookies, they may also need to clear their browser's cache. Details on how to do this can be found in this article.

As always, while Catapult resources are designed to work on all internet capable devices and with all modern internet browsers, we do recommend using Google Chrome when accessing Catapult resources as we do find that Chrome provides the most stable user experience.

Enabling third-party cookies in Google Chrome

First, you need to access Google Chrome’s Settings page. The easiest way to do this is to open up the main menu bar and select the Settings option from the drop-down menu.


Next, search for the word "cookies", and select the Cookies and other site data option.


On the following page, ensure that the Allow all cookies option is selected. Any other option may result in access to Catapult resources being blocked.


Enabling third-party cookies on iOS devices

When using an iOS (or "Apple" or "Mac") device, you may need to follow an additional step.

Open up your device's Settings app, and navigate to the Chrome menu. Then, ensure the Allow Cross-Website Tracking option has been enabled.

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