Windows Hardware Error ???

[samet_9511]

There is no GPU memory error but there is PCIPCIe Bus errors on HWinfo software.
This error starts if i started mining. and it wil be more and more. Why ?

Picture: http://fs5.directupload.net/images/181031/szzdeh2v.png

Code:

12 adet RX70 4GB => 1150 Core, 2000 Memory
Windows Pro x64, Adrenalin 18.6.1 driver