Deprecation Notice: Class Unicodeveloper\Paystack\Exceptions\IsNullException located in ./vendor/unicodeveloper/laravel-paystack/src/Exceptions/isNullException.php does not comply with psr-4 autoloading standard. It will not autoload anymore in Composer v2.0. in phar:///usr/local/bin/composer/src/Composer/Autoload/ClassMapGenerator.php:201
Fix issue with Composer 2.0
Deprecation Notice: Class Unicodeveloper\Paystack\Exceptions\IsNullException located in ./vendor/unicodeveloper/laravel-paystack/src/Exceptions/isNullException.php does not comply with psr-4 autoloading standard. It will not autoload anymore in Composer v2.0. in phar:///usr/local/bin/composer/src/Composer/Autoload/ClassMapGenerator.php:201