Warning in Backend after first installation by save settings

Hi,
yesterday I install a new wordpress website (divi) with this plugin theeventcalender. If I save settings this warning is shown:
Warning: sprintf(): Too few arguments in …/wp-content/plugins/the-events- calendar/src/admin-views/tribe-options-display.php on line 53

Warning: Cannot modify header information – headers already sent by (output started at …/wp-content/plugins/the-events-calendar/src/admin-views/tribe-options-display.php:53) in …/wp-includes/pluggable.php on line 1216

The first warning is shown on top of backend if I click “Settings”

Whats the problem? Thanks for help.
Regards Martina

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