Does someone know why this works in 1.21 and 1.21.1, but not in 1.21.2, 1.21.3, 1.21.4 ?

[dull spire]

why aren't you using the item renderer

and I presume drawTexture prefixed the Id with textures/

[prime spear]

Yes. Thanks! This worked, and it was easyer to do.