Illegal strings

Hello,

I just installed the program and am getting this text on the checkout page:

Any suggestions?

Thanks!

Warning: Illegal string offset ‘date_format’ in /home/apex1009/public_html/wp-content/plugins/woocommerce-customer-delivery-date-time-selection/wcd_date_time.php on line 98

Warning: Invalid argument supplied for foreach() in /home/apex1009/public_html/wp-content/plugins/woocommerce-customer-delivery-date-time-selection/wcd_date_time.php on line 103

Warning: Illegal string offset ‘dd_lang’ in /home/apex1009/public_html/wp-content/plugins/woocommerce-customer-delivery-date-time-selection/wcd_date_time.php on line 36

Warning: Illegal string offset ‘dt_lang’ in /home/apex1009/public_html/wp-content/plugins/woocommerce-customer-delivery-date-time-selection/wcd_date_time.php on line 37

Warning: Illegal string offset ‘date_format’ in /home/apex1009/public_html/wp-content/plugins/woocommerce-customer-delivery-date-time-selection/wcd_date_time.php on line 75

Warning: Invalid argument supplied for foreach() in /home/apex1009/public_html/wp-content/plugins/woocommerce-customer-delivery-date-time-selection/wcd_date_time.php on line 79