jeffry1829 For these purposes is best practice to test it on clean test server where only IA and its dependencies will be present.
/iacleancache items|blocks
To preserve CMDs.
Next time, please upload only server log, which is related to the problem as I’ve read first log which is without ItemsAdder
Material: null means that you havent assigned any material
Particle FLAME is a bug - report it on GitHub