This error occurs their is Communication problem between your Website and PayPal, you have to checkout credentials. This error code 3 occurs when you start to pay from your PayPal account.
This Error is also called cURL error Code. Sometimes, this error occurs due to insecure connection like SSL certificate environment.
Sometimes, error code 3 also occurs due to .PEM file. This is also included in expired certificates error.
You have to check your SSL Certifcate by contacting PayPal Customer Support. You can contact them by mentioning your Error Code problem.
If you getting error while using WooCommerce then, you can follow below steps:-
1. Tick the Enable Logging checkbox in WooCommerce >> Settings >> Payments >> PayPal Checkout.
2. Save it.
3. Click on test order.
4. Click on WooCommerce >> Status >> Logs.
5. Find the latest PayPal Checkout error log in the drop-down and click “view”.
6. Copy the entire log and paste it here.Also paste a copy of your System Status Report which can be found in WooCommerce >> Status.
You can also update TLS certificates in your PayPal Live Server.
Hope above 3 Steps able to solve your PayPal Error Code 3 and you will able to perform your Payment online without any glitches.
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