The introspection endpoint returned a 502 on npm run dev

I’m trying to create a Shopify app and have been working off of an example app, and it has been working. But this morning then when I ran “npm run dev”, I got the following error:
The introspection endpoint returned a 502: https://accounts.shopify.com/oauth/introspection
I created a new app and tried to run it but ran into the same issues.

Any ideas on how to fix?

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I am facing the issue. Guess this has something to do from Shopify’s end.

More here: https://github.com/Shopify/shopify-cli/issues/2743

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Thank you! Seems like it is!

I reached out to support just now and they said that it was an issue this morning but has since been cleared. I am still experiencing it tho.

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This is still happening on my end. Apparently not fixed.

Try running “shopify auth logout” and then logging back in again - it worked for me

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