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If I try to login with Facebook but deny the access to the email (the first time) I get the error:
Undefined index: email in $site_url/wp-content/plugins/nextend-facebook-connect/providers/facebook/facebook.php on line 209
It leads to more errors:
PHP Warning: Cannot modify header information – headers already sent by (output started at $site_url/wp-content/plugins/nextend-facebook-connect/providers/facebook/facebook.php:209) in $site_url/wp-includes/pluggable.php on line 920
PHP Warning: Cannot modify header information – headers already sent by (output started at $site_url/wp-content/plugins/nextend-facebook-connect/providers/facebook/facebook.php:209) in $site_url/wp-includes/pluggable.php on line 921
PHP Warning: Cannot modify header information – headers already sent by (output started at $site_url/wp-content/plugins/nextend-facebook-connect/providers/facebook/facebook.php:209) in $site_url/wp-includes/pluggable.php on line 922
Cannot modify header information – headers already sent by (output started at $site_url/wp-content/plugins/nextend-facebook-connect/providers/facebook/facebook.php:209) in $site_url/wp-content/plugins/nextend-facebook-connect/NSL/Persistent/Storage/Session.php on line 84
If I delete the generated user from WP admin and try again, I am not presented with the Facebook registration modal box any more. Clearing the cache doesn’t help. I just get that errors but the registration is successful. I am testing with two facebook users, one always shows that errors the other one doesn’t.