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I am trying to buy a token at the listing time, but my transactions get rejected with the error "TRANSFER_FAILED" while other transactions at the same time are successful. I have tried high gas limit and high gas price already.

I was looking many people use swapExactETHForTokensSupportingFeeOnTransferTokens() while I use swapExactTokensForTokens(). Is there any difference between the two functions? Also, could this be the cause of the rejection of my transactions?

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