Fix compatibility with php8.1 and magento2.4.4. Error during save product "Deprecated Functionality: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /var/www/html/vendor/smile/module-product-label/Helper/Data.php on line 89"
*Description ()**
Fix compatibility with php8.1 and magento2.4.4. Error during save product "Deprecated Functionality: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /var/www/html/vendor/smile/module-product-label/Helper/Data.php on line 89"
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