Facebook posts have disappeared

HI again
Please go to source code: ...\modules\mod_jux_social_stream\facebook.php at line 10

$app_access_token = $app_id.'|'.$app_secret;

edit:

$app_access_token = '548441595582413|hGXkHOWyFxcJIHmfygv4oH1zhYo';

Hope it will help you
Thanks

Dear
Thank you for contacting and choosing our product!
– We are sorry for informing that the customer support will be slower than usual because of Vietnamese Lunar New Year (Tết Holiday). It’s the traditional holiday in our country - Vietnam,
For the issue you are encountering, we will try to solve as soon as we are back the office. We apologize in advance to any inconvenience this may cause you.
Thank you so much for your patience and sympathy!
Happy Vietnamese Lunar New Year!
******
Kind regards
JoomlaUX Team