❓ Help [Newbie] How to open "Spoiler:Secret" button.

[007]

Hey guys! I need your help. It says before that for me to open that button (Spoiler:Secret) I must have an account. So I make one. Now that I have one still I cant open it. Whenever I click the button it only shows a white bar below. Thanks!
Picture below.

 

[Contiz07]

"No Spamming"

SOURCE: https://phcorner.org/rules/

pasensya po .