Invalid Argumment Bulk Puplish

Warning: Invalid argument supplied for foreach() in /home/catisfac/public_html/kittycat.gifts/wp-content/plugins/wp-to-buffer-pro/vendor/views/bulk-publish-0.php on line 42

Since updating, this error is on the Bulk Publish page. In the Author box and another error just under search terms.

Warning: Invalid argument supplied for foreach() in /home/catisfac/public_html/kittycat.gifts/wp-content/plugins/wp-to-buffer-pro/vendor/views/bulk-publish-0.php on line 132

It was happening on previous version also so I updated to the latest version: Version 3.7.8

WordPress Version: 5.1
Current WordPress Theme: Shopper version 1.3.6
Theme Author: ShopperWP Team – https://shopperwp.io
Theme URI: https://shopperwp.io/themes/shopper
Active Plugins: afterpay-gateway-for-woocommerce/afterpay-gateway-for-woocommerce.php | alidswoo/alidswoo.php | classic-editor/classic-editor.php | debug-info/debug-info.php | disqus-comment-system/disqus.php | dropship-me/dropship-me.php | duracelltomi-google-tag-manager/duracelltomi-google-tag-manager-for-wordpress.php | enhanced-e-commerce-for-woocommerce-store/enhanced-ecommerce-google-analytics.php | facebook-for-woocommerce/facebook-for-woocommerce.php | google-analytics-dashboard-for-wp/gadwp.php | mailchimp-for-woocommerce/mailchimp-woocommerce.php | megamenu/megamenu.php | ninja-forms/ninja-forms.php | on-sale-page-for-woocommerce/woocommerce-onsale-page.php | product-sales-report-for-woocommerce/hm-product-sales-report.php | w3-total-cache/w3-total-cache.php | woo-gutenberg-products-block/woocommerce-gutenberg-products-block.php | woo-product-social-sharing/wc-product-social-sharing.php | woocommerce-abandoned-cart/woocommerce-ac.php | woocommerce-cart-tab/cart-tab.php | woocommerce-country-based-payments/woocommerce-country-based-payments.php | woocommerce-currency-switcher/index.php | woocommerce-gateway-paypal-express-checkout/woocommerce-gateway-paypal-express-checkout.php | woocommerce-google-analytics-integration/woocommerce-google-analytics-integration.php | woocommerce-pdf-invoices-packing-slips/woocommerce-pdf-invoices-packingslips.php | woocommerce/woocommerce.php | wordpress-seo/wp-seo.php | wp-optimize/wp-optimize.php | wp-smushit/wp-smush.php | wp-to-buffer-pro/wp-to-buffer-pro.php |
PHP Version: 7.0.33
MySQL Version: 5.6.40-84.0-log

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