<ul><li>The user is trying to spend a UTXO with a custom script.</li><li>The custom script requires the sum of three numbers to be 15, and the maximum number to be smaller than 8.</li><li>The user has implemented the script in Python, duplicating the top 3 numbers and checking each one to be less than 8.</li><li>However, when attempting to send the transaction with the custom script, a '400 Bad Request sendrawtransaction RPC error -26: scriptpubkey' response is received.</li></ul>

Trying to spend UTXO with custom script

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