Edit file File name : composer.json Content :{ "config": { "optimize-autoloader": true }, "require": { "defuse/php-encryption": "^2.2", "firebase/php-jwt": "^5.0", "ext-curl": "*", "ext-json": "*", "a5hleyrich/wp-background-processing": "^1.0", "ext-zip": "*", "squizlabs/php_codesniffer": "*", "phpcompatibility/php-compatibility": "^9.3", "monolog/monolog": "^2.8" }, "autoload": { "psr-4": { "CreativeMail\\Managers\\": "src/managers/", "CreativeMail\\Models\\": "src/models/", "CreativeMail\\Helpers\\": "src/helpers/", "CreativeMail\\Modules\\": "src/modules/", "CreativeMail\\Constants\\": "src/constants/", "CreativeMail\\Integrations\\": "src/integrations/", "CreativeMail\\Blocks\\": "src/blocks/", "CreativeMail\\": "src/" } } } Save