Error message

Warning: Trying to access array offset on value of type null in rhythm_pager() (line 611 of /home/platne/serwer209078/public_html/dada-tajski-masaz.pl/sites/all/themes/rhythm/template.php).

Warning: Trying to access array offset on value of type null in rhythm_pager() (line 633 of /home/platne/serwer209078/public_html/dada-tajski-masaz.pl/sites/all/themes/rhythm/template.php).