Please change all of the Permissions: options to this.
    
 
     
     
      Code (Text):
     
 
     
              Whitelist-Permission: #The player needs this permission to use it.
      
           Toggle: false #Toggle the permission on or off.
      
           Node: 'money' #The permission node.
      
         Blacklist-Permissions: #If the player has any of these permissions then they can't use the voucher.
      
           Toggle: false #Toggle if it checks for black listed permissions.
      
           Permissions: #List all the blacklisted permissions here.
      
             - 'voucher.blacklist.money'
     
 
     Here is an example of what the new voucher settings looks like:
     
    
 
     
      Code (Text):
     
 
     
        RankUp:
      
     Item: '331'
      
     Name: '&8&l>&7&l>&c%Arg% Voucher&7&l<&8&l<'
      
     Lore:
      
       - '&7Use this voucher to rank up to &c%Arg%&7.'
      
       - '&7&l(&6&l!&7&l) &7Right click to redeem.'
      
     Glowing: false
      
     Commands:
      
       - 'pex user %Player% group set %Arg%'
      
     Options:
      
       Message: '&7Congratulation, you have just ranked up to &6%Arg%&7.'
      
       Permission:
      
         Whitelist-Permission:
      
           Toggle: false
      
           Node: 'rankup'
      
         Blacklist-Permissions:
      
           Toggle: false
      
           Permissions:
      
             - 'voucher.blacklist.rankup'
      
       Limiter:
      
         Toggle: false
      
         Limit: 10
      
       Two-Step-Authentication:
      
         Toggle: false
      
       Sound:
      
         Toggle: true
      
         Sound: 'CLICK'
      
       Firework:
      
         Toggle: true
      
         Colors: 'Black, Gray, Red'