Things don't appear to be working at the moment. Please try again later
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I'm encountering an issue while testing in the sandbox as a guest. I’ve tried using the following test cards, but I'm receiving the error message: "Things don't appear to be working at the moment. Please try again later." I'm feeling stuck with my testing
3782 8224 6310 005 - American Express
4111 1111 1111 1111 - Visa
Some of the test cards I generated using the PayPal sandbox card testing tool https://developer.paypal.com/tools/sandbox/card-testing/#link-testcardnumbers are invalid. However, these two cards are valid but consistently show the same error.

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Thank you for posting to the PayPal Sandbox Community.
The error message "Things don't appear to be working..." is a generic error message.
Here are the main reasons that you may be receiving this error message:
- Merchant Trying to pay themselves, this is considered cash advancing a restricted activity
- Incorrect Variable
- Variable with special characters like " or $ in them
- Setting on the account
- Email being used in integration not added or confirmed on your PayPal Account
If you provide the merchant id for your sandbox business account, I can make certain that it has a confirmed email address, as well as review the settings associated with it.
Here is how to find your merchant id in your sandbox business account:
- Log into the sandbox business account at https://sandbox.paypal.com
- Go to Account Settings
- Click on Business information
- PayPal Merchant ID will display
Thank you,
Jennifer
MTS
PayPal

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