Fatal error group product page

I’m getting the fatal error below when I try to add products from a group product page. The plugin works when adding simple products to the cart. Is the plugin Group Product Compatible?

Fatal error: Uncaught Error: Unsupported operand types in /home/customer/www/***/public_html/***/wp-content/plugins/woo-min-max-quantity-limit/woo-min-max-quantity.php:151

Stack trace: #0 /home/customer/www/***/public_html/***/wp-includes/class-wp-hook.php(294): wc_mmax_custom_add_to_cart(‘****’, ***)

#1 /home/customer/www/***/public_html/***/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(”, Array)

#2 /home/customer/www/***/public_html/***/wp-includes/plugin.php(484): WP_Hook->do_action(Array)

#3 /home/customer/www/***/public_html/***/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1247): do_action(‘woocommerce_add…’, ‘****’, ***, *, *, Array, Array)

#4 /home/customer/www/***/public_html/***/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(857): WC_Cart->add_to_cart(****, **)

#5 /home/customer/www/***/public_html/***/wp-content/plugins/woocommerce/includes/class-wc-form-handle in /home/customer/www/***/public_html/***/wp-content/plugins/woo-min-max-quantity-limit/woo-min-max-quantity.php on line 151