Advancement tab background shows a missing texture

[haykam821]

As of Minecraft 1.21.5, the advancement background should not include textures/ or .png:

nucleoid-extras/src/datagen/java/xyz/nucleoid/extras/data/provider/NEAdvancementProvider.java

Line 41 in fb954bc

Identifier.ofVanilla("textures/block/lime_concrete.png"),