I'm so sorry, it was my mistake. I forgot to prioritize "zzPNG_1.09.1_Promods_fix" for my PNG mod above all other parts of the PNG pack... It fixed the problem, thanks for your help. I only noticed it after disabling them.

invisible wall ;[08/12/2023 20:56:01] (sec+0003-0002);12172.1;32.5386;-6170.79;-0.339791;-0.13802