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isnt't that exactly what I'm doing?

obraz.png

Not sure why its not showing for you
I've just gone through it again to check

On the bsc chain
went to pancakeswap.finance
went to exchange
top window BUSD
bottom window i pasted 0x2f0de2cfa6f4b3a7fd4b650a4c771e07718bb4b0
make sure there is no space before or after the contract address
I got this

pop.png

If you still have problems Neal Mc Spreadsheet posted a different way

Hope this helps