BD-2055: Add more info for 5XX errors

[lydia-xie]

Pull Request/Issue Resolution

Description of Change:

I'm changing..... (could be a link, a new image, a new section, etc.)... because...

Closes #BD-2055

Is this change associated with a Braze feature/product release?

• Yes (Insert Feature Release Date Here)
• No

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✔️ Pull Request Checklist

• Check that you haven't removed any images (replacing an image with an updated one of the same name is fine), as this breaks the French site
• Check that all links work.
• Ensure you have completed our Contributors License Agreement.
• Tag @josh-mccrowell-braze and @KellieHawks as a reviewer when your work is done and ready to be reviewed for merge. Are you an internal product manager? Reference the internal reviewing chart to tag the appropriate reviewer.
• Tag others as reviewers as necessary.
• If you have modified any links, be sure to add redirects to assets > js > broken_redirect_list.js

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Work at Braze and not sure who to tag for review?
Before tagging @josh-mccrowell-braze or @KellieHawks for a general review, reference the following chart to see if a specific product vertical/reviewer applies to your pull request.

Reviewer	Product Vertical
@josh-mccrowell-braze	Monolith Deployments Quality Infrastructure Platform Infrastructure Datalake SDKs
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