PHP error in template view: com_sexypolling/helpers/footer.php: No such file

[Jefferson49]

Observed after update to Joomla 5.1.0 with SexyPolling v5.5.1

Error trace in log file:
[17-Apr-2024 06:49:00 Europe/Amsterdam] PHP Warning: include(/joomla5/administrator/administrator/components/com_sexypolling/helpers/footer.php): Failed to open stream: No such file or directory in /volume1/web/joomla5/administrator/components/com_sexypolling/views/sexytemplate/tmpl/form.php on line 3375
[17-Apr-2024 06:49:00 Europe/Amsterdam] PHP Warning: include(): Failed opening '/joomla5/administrator/administrator/components/com_sexypolling/helpers/footer.php' for inclusion (include_path='.:/usr/share/pear') in /joomla5/administrator/components/com_sexypolling/views/sexytemplate/tmpl/form.php on line 3375