Error: Exception is thrown in contract code/in contract execution
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Generally speaking, "Exception is thrown in contract code" means exactly what it says — something in the contract didn't work correctly. Since this means there's a problem or some dysfunction in the smart contract — an area over which we have no control — we're unable to assist you.
In these cases, please contact the owners of the contract for resolution or advice. The developers should post in our forum and/or on the Ethereum stack exchange to seek help.