Fatal error: Uncaught Exception: Configuration validation failed: Required environment variable DB_USERNAME is not set, Required environment variable DB_PASSWORD is not set in /var/www/html/classes/SecureConfig.php:62 Stack trace: #0 /var/www/html/classes/SecureConfig.php(16): SecureConfig::validateEnvironment() #1 /var/www/html/config/database.php(14): SecureConfig::load() #2 /var/www/html/config/database.php(28): DatabaseConfig::getConfig() #3 /var/www/html/config/database.php(22): DatabaseConfig::getMySQLConnection() #4 /var/www/html/config/import_images.php(42): DatabaseConfig::getConnection() #5 /var/www/html/config/import_images.php(762): SocialImageImporter->__construct() #6 {main} thrown in /var/www/html/classes/SecureConfig.php on line 62