Accumalted Depriciation with 0 which system calculte automatically I wana stop this

Dear,

I upload some assets through WebADI some of them with cost and accumalted dep cost some of them with only cost and accumalted depricication cost is "0".

when I run the create accounting then system automatically calculted the accumalted depriciation, which I am nt able to identified that system calculate base on what.

Just please tell me If I upload the asset with " 0 "accumalted depricication amount then how I can stop that system cannot calculate this.

Thanks,