Do you use vmndovs for mining?
Have you tried running mining on another operating system, for example hive os.
Error 43 usually occurs due to a driver error after flashing the BIOS of the video card.
Have you tried atikmdag-patcher?
I have not done bios modifications on any VII cards
I heard that Radeon VII graphics cards have been out of production for a long time (about a year).
Under the laws of my country, if the supplier does not have a similar product for replacement, but he must return the money.
have you tried running mining on hive os?