Error encountered during contract execution [Reverted]

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#1

hi, i created a contract 3 days ago, but still, i cant open crowdsale, always it showing,

Warning! Error encountered during contract execution [Reverted] message with Fail

please help me with this.
https://wizard.oracles.org/invest?addr=0x4F67F3Cd14E71F7db8D272Bafe5b4e66c726c2E4&networkID=1

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#2

The address, you are trying to send buy transaction with, is not whitelisted. You can find the list of whitelisted addresses in management page of your crowdsale: https://wizard.poa.network/manage/0x4F67F3Cd14E71F7db8D272Bafe5b4e66c726c2E4.