Animation problem

I made a soul. When it is dropped, it hovers in the air, and cycles through the animation, but when you collect it, it shows instead the four frames. Does anyone know why?
Here is the png file:
View attachment 219539

Here is my code:
using Microsoft.Xna.Framework;
using Terraria.DataStructures;
using Terraria.ID;
using Terraria.ModLoader;

namespace FilipsCraftingMod.Items.Souls
{
public class BrightSoul : ModItem
{
public override void SetStaticDefaults()
{...

Animation problem