Plugin: 4.2.2
WordPress: 5.1.1 (single)
PHP: 5.6.40
Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1 Safari/605.1.15
JavaScript: https://serwer1569606.home.pl/autoinstalator/wordpressplugins/wp-content/plugins/redirection/redirection.js
REST API: https://omnilogy.pl/wp-json/
Error: Preflight response is not successful
Error: Preflight response is not successful