Broken FB login loop

My sitefeatures the facebook login button and facebook login completes the loop. But when the authentication completes and redirects back to plugin page, the plugin refers it back to a broken url(“https://wp-login.php/?ywsl_social=facebook&redirect=https%3A%2F%2Fwww.recurserve.com%3A443%2Fmy-account…”).

Details:
WordPress: Version 4.9.6
YITH WooCommerce Social Login: Version 1.2.1
htaccess:

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
# REDIRECT frm non-www to www with https
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]
# force SSL
RewriteCond     %{SERVER_PORT} ^80$
RewriteRule     ^(.*)$ https://%{SERVER_NAME}%{REQUEST_URI} [L,R]
</IfModule>
# END WordPress

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