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Hi,
I am working with stm32f303k8t6 and I programming stm32 with st link v2 mini. First I used this programmer normally but last week it was fail. And I bought a new st-link v2 mini. Now I try to programming with this new programmer but it send "Internal Command Error". I am not programming my stm32(Only one time I succeed programming my board).
Can anybody help me with this issue?
That makes no sense!
Surely, the fact that you've used it "a lot" only increases the risk that it had been worn or damaged ?!
"Could someone help us?"
Again, you really need someone local - who can sit next to you, and see exactly what you are actually doing, and see exactly what hardware you actually have, and see exacty what state that hardware is in, etc, etc.
And, again, the fact that it doesn't even work with the ST-Link Utility shows that this has nothing to do with Keil.