Contract Address: https://polygonscan.com/address/0x520ec271803475efa9f6a3e2eec6ea8b8629b6e2
It looks like this transaction https://polygonscan.com/tx/0x8de4cf71802dd5df4b1c6988d9780c3a6c461496888292da9e4e407e752bc597 had this error:
Fail with error 'Ownable: caller is not the owner'
but somehow this transaction https://polygonscan.com/tx/0x1e0563f855892e4d789da6f100f5b1d235597295a959ff9acb557e073a86e7b8 worked before from same address.
it may be something related to the smart contract code