Plugin Help Help with NillPoint

Code:

 @SuppressWarnings("deprecation")
    public void Poison(Player p) {
             ItemStack ph = p.getItemInHand();
             ItemMeta pim = ph.getItemMeta();
         
         
         if( ph.getType()==Material.DIAMOND_AXE || ph.getType()==Material.IRON_AXE || ph.getType()==Material.GOLD_AXE || ph.getType()==Material.STONE_AXE || ph.getType()==Material.WOOD_AXE ) {         

         
             EconomyResponse r = econ.withdrawPlayer(p.getName(), 5000);
             EconomyResponse r1 = econ.withdrawPlayer(p.getName(), 15000);
             EconomyResponse r2 = econ.withdrawPlayer(p.getName(), 35000);
             EconomyResponse r3 = econ.withdrawPlayer(p.getName(), 50000);
             List<String> lore = pim.getLore();
             
             if(!lore.contains("§7Poison I")) {
                 //ERROR HERE ^^^^^^^^^^^^^^^^^^
                 if(r.transactionSuccess()) {
                    lore.add("§7Poison I");
                    pim.setLore(lore);
                    ph.setItemMeta(pim);
                    p.sendMessage("§d§oYou have enchanted your axe!");
                 }else{
                     p.sendMessage("§c§oYou do not have enough money to buy this enchant!");
                 }
             }
             
             if(lore.contains("§7Poison I")) {
                 if(r2.transactionSuccess()){
                     lore.remove("§7Poison I");
                     lore.add("§7Poison II");
                     pim.setLore(lore);
                     ph.setItemMeta(pim);
                 }else{
                     p.sendMessage("§c§oYou do not have enough money to buy this enchant!");
                 }
             }
             if(lore.contains("§7Poison II")) {
                 if(r1.transactionSuccess()){
                     lore.remove("§7Poison II");
                     lore.add("§7Poison III");
                     pim.setLore(lore);
                     ph.setItemMeta(pim);
                 }else{
                     p.sendMessage("§c§oYou do not have enough money to buy this enchant!");
                 }
             }
             if(lore.contains("§7Poison III")) {
                 if(r3.transactionSuccess()){
                     lore.remove("§7Poison III");
                     lore.add("§7Poison IV");
                     pim.setLore(lore);
                     ph.setItemMeta(pim);
                 }else{
                     p.sendMessage("§c§oYou do not have enough money to buy this enchant!");
                 }
             }
         }else{
             return;
         }
     }
        

Here is my code and each time i try to run a command it throws a NullPoint error any one help
?

 

@Lukas12137 try testing if the lore is null before testing if it contains something.