Unlock effect

[AC Question]

I want the unlock effect but when i go a choose it, the unlock effect space is darken and it will not let me click it, how do i fix this so i can use the unlock effect?

 

[Golfdriver97]

Do you mean choosing between a PIN lock or something like that?

 

[meowey]

I have the same problem too, can't choose any effect instead of watercolor ：（