suddenly i cant pay trough paypal its saying plesae choose different payment option if availble somthing like that...

i bought a few hours ago 500 points trough paypal and it worked fine but i tryed to pay after 20 minutes again and i suddenly cant it says "please choose different payment option if availble" it says somthing like that -.- ...
do i need to wait a bit before trying to pay again? cuz i bought only a few hours ago..

but im afraid cuz i kinda abused the paypal i tryed to pay 6 times and it every time say please choose different payment option if availble.. so i wanna ask if i need to wait abit and this problem will go? or this problem is not normally happening and like its permanent or somthing? like i cant pay trough paypal anymore?

please help.. becouse im kinda nervous right now...
thanks for helpers