Warning (2) : Trying to access array offset on value of type null [in /home/undologic/www/shop/src/Model/Table/EcomProductsTable.php, line 897]
Warning (2) : Trying to access array offset on value of type null [in /home/undologic/www/shop/src/Model/Table/EcomProductsTable.php, line 900]
Warning (2) : Trying to access array offset on value of type null [in /home/undologic/www/shop/src/Model/Table/EcomProductsTable.php, line 907]
Warning (2) : Trying to access array offset on value of type null [in /home/undologic/www/shop/src/Model/Table/EcomProductsTable.php, line 938]
Warning (2) : Undefined array key "upc" [in /home/undologic/www/shop/src/Controller/EcomCartsController.php, line 359]
Warning (2) : Undefined array key "description" [in /home/undologic/www/shop/src/Controller/EcomCartsController.php, line 361]
Warning (512) : Unable to emit headers. Headers sent in file=/home/undologic/www/shop/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php line=36 [in /home/undologic/www/shop/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 71]
Warning (2) : Cannot modify header information - headers already sent by (output started at /home/undologic/www/shop/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:36) [in /home/undologic/www/shop/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 168]
Warning (2) : Cannot modify header information - headers already sent by (output started at /home/undologic/www/shop/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:36) [in /home/undologic/www/shop/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 197]
Error: Expression `EcomCarts.upc` is missing operator (IS, IS NOT) with `null` value.

Expression EcomCarts.upc is missing operator (IS, IS NOT) with null value. 📋

InvalidArgumentException
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                continue;
            }
            if (!$numericKey) {
                $this->_conditions[] = $this->_parseCondition($k$c);
            }
        }
    }