This started appearing with the 1.18.2 beta

@tsomers20 please try with forge 40.2.0 and without optifine. If you use optifine or need it, use the H9 preview from optifine.net .

optifine be like:
also optifine: weve been compatible with mods since 1.12.2 (in 1.12.2 optifine doesnt even turn on mods in any way)

Remove Optifine see issue still exist, Optifine breaks modding

i am not using any Resource Pack and no optifine and it works fine

If this issue is resolved please close it. I am unable to reproduce this issue on forge 40.2.0 with optifine hd u h9 pre2