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I have deployed a contract to Mumbai Polygon testnet. While verifying and publishing source code, the flattened file has multiple solidity versions. I got the error below.enter image description here

The OpenZeppelin contracts imported in the contract has version 0.8.20 and my contract has ^0.8.9. Even after changing the version to 0.8.20, I get the error while verifying my contract which has a different version.

How to solve this??

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