I just noticed that there is a PHP Warning in vanilla Zen Cart versions 1.5.6c and 1.5.7 (PHP Version: 7.3.20) and Zen Colorbox-2.1.2 because of undefined constants LARGE_IMAGE_WIDTH and LARGE_IMAGE_HEIGHT

[07-Aug-2020 20:50:53 UTC] Request URI: /zen-cart-v1.5.7/index.php?main_page=product_info&cPath=2_20&products_id=23, IP address: 00.000.000.000
#1 require(public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_modules_main_product_image.php) called at [public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_product_info_display.php:58]
#2 require(public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_product_info_display.php) called at [public_html/zen-cart-v1.5.7/includes/modules/pages/product_info/main_template_vars.php:153]
#3 require(public_html/zen-cart-v1.5.7/includes/modules/pages/product_info/main_template_vars.php) called at [public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/common/tpl_main_page.php:177]
#4 require(public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/common/tpl_main_page.php) called at [public_html/zen-cart-v1.5.7/index.php:94]
--> PHP Warning: Use of undefined constant LARGE_IMAGE_WIDTH - assumed 'LARGE_IMAGE_WIDTH' (this will throw an Error in a future version of PHP) in public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_modules_main_product_image.php on line 24.


[07-Aug-2020 20:50:53 UTC] Request URI: /zen-cart-v1.5.7/index.php?main_page=product_info&cPath=2_20&products_id=23, IP address: 00.000.000.000
#1 require(public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_modules_main_product_image.php) called at [public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_product_info_display.php:58]
#2 require(public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_product_info_display.php) called at [public_html/zen-cart-v1.5.7/includes/modules/pages/product_info/main_template_vars.php:153]
#3 require(public_html/zen-cart-v1.5.7/includes/modules/pages/product_info/main_template_vars.php) called at [public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/common/tpl_main_page.php:177]
#4 require(public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/common/tpl_main_page.php) called at [public_html/zen-cart-v1.5.7/index.php:94]
--> PHP Warning: Use of undefined constant LARGE_IMAGE_HEIGHT - assumed 'LARGE_IMAGE_HEIGHT' (this will throw an Error in a future version of PHP) in public_html/zen-cart-v1.5.7/includes/templates/responsive_classic/templates/tpl_modules_main_product_image.php on line 24.