Hi i have a probleme with CMCN v10.2

Opencl error -61 cannot create gpu buffer
And after that i try this command line

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_MAX_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_MAX_SINGLE_ALLOC_PERCENT 100

I have an message error

Unknown command setx
Unknown command Gpu ....etc

Please help me i wante to mine electroneum but with claymore v10.2 its impossible