➤⠀If you started online payment from your computer, try using a different browser;

➤➤⠀If you've initiated online payment from your phone, try using your computer to set the one-time password. 😊  

Depending on the browser you are paying from, if you encounter an error when setting/resetting/changing your password, follow these steps:
For Chrome: Under settings/privacy and security/cookies and other data/ check "allow all cookies";
For Edge: go into your browser settings Privacy, search and services/traking prevention/check "Basic" and under Cookies and site permissions do NOT check "block third party cookies".
For Safari: go to Preferences and make sure that "block all cookies" and "prevent cross site tracking" are NOT checked.