Hello @Loewchen, I have found out that I accidentally sent my coal into my personal logistics trash tab by accident in the sent save, which made me think it dissapeared from my inventory . It does turn out to be mismanagement of resources. I apologize for wasting your time.

Ok, the steps I originally performed before encountering the bug is as follows
-Walk up to the burner drills from the red science factory diagonally
-Ctrl+left click and move the mouse in a vertical pattern over the burner drills
-After collecting all the coal from the burner drills in a non-orderly ...

Hello. I might have encountered a strange bug where around 4 stacks of coal disappeared from my inventory. I am not sure if it's an actual bug or my mismanagement of my resources in game. I have provided a factorio-current log file, and the mods list is listed below.

-AutoDeconstruct 0.1.20 ...