Anomaly number in COGS account

do you guys also experience something like this?
That there are anomalous figures appearing in the COGS account that cannot be traced. See below inside blue box.

In addition, when I re-calcultae unit cost in tab inventory then happen this :

What Version and Edition of Manager is this?

Cloud 25.1.2.2003
That anomaly only appears in certain month reporting, ex : Jan to Nov > appears but if I generate Jan to Dec it’s normal. It happens for severa, CoA that affected from inventory sold (certain custom expense account)

I am also facing the same issue in almost all my CoG. is there any means to solve this issue?