Configure Facebook APP ID
Step 1: Navigate to Directory Listings-> Settings->Extension Settings->Social Login, then log in to your Facebook account after clicking on the marked area 
Step 2: Now, click on Add a New App 
Step 3: Select "For Everything Else"
Step 4: Give your app a name and set an app contact email. Then click on Create App ID.
Step 5: Complete the reCAPTCHA test. And, you are almost done.
Step 6: You will find your APP ID in the marked area
Step 7: Click on Set Up to configure Facebook login
Step 8: Add your website URL "https://www.yourDomainName.com/" in the box marked as 3
Step 9: Add the privacy page URL "https://www.yourDomainName/privacy-policy/" in the box marked as 2. Then select a category type (marked as 3). After filling up these two options, you will be able to activate the live mode (marked as 4).
Step 10: Once, you are done with all the steps, paste the APP ID in Directory Listings-> Settings->Extension Settings->Social Login->Facebook App ID.
Step 2: Now, click on Add a New App
Step 3: Select "For Everything Else"
Step 4: Give your app a name and set an app contact email. Then click on Create App ID.
Step 5: Complete the reCAPTCHA test. And, you are almost done.
Step 6: You will find your APP ID in the marked area
Step 7: Click on Set Up to configure Facebook login
Step 8: Add your website URL "https://www.yourDomainName.com/" in the box marked as 3
Step 9: Add the privacy page URL "https://www.yourDomainName/privacy-policy/" in the box marked as 2. Then select a category type (marked as 3). After filling up these two options, you will be able to activate the live mode (marked as 4).
Step 10: Once, you are done with all the steps, paste the APP ID in Directory Listings-> Settings->Extension Settings->Social Login->Facebook App ID. Last Updated: August 24th, 2020