Fatal error: Uncaught Exception: Unsupported value, only string and integer are allowed, receive NULL in /www/wwwroot/chaingo/web3transfer/vendor/simplito/bigint-wrapper-php/lib/BigInteger.php:84 Stack trace: #0 /www/wwwroot/chaingo/web3transfer/vendor/simplito/bigint-wrapper-php/lib/BigInteger.php(30): BI\BigInteger::getGmp() #1 /www/wwwroot/chaingo/web3transfer/vendor/simplito/bn-php/lib/BN.php(45): BI\BigInteger->__construct() #2 /www/wwwroot/chaingo/web3transfer/vendor/simplito/elliptic-php/lib/Curve/ShortCurve/Point.php(239): BN\BN->__construct() #3 /www/wwwroot/chaingo/web3transfer/vendor/simplito/elliptic-php/lib/EC/KeyPair.php(75): Elliptic\Curve\ShortCurve\Point->mul() #4 /www/wwwroot/chaingo/web3transfer/src/Wallet.php(36): Elliptic\EC\KeyPair->getPublic() #5 /www/wwwroot/chaingo/web3transfer/index.php(27): Web3\Wallet::createByPrivate() #6 {main} thrown in /www/wwwroot/chaingo/web3transfer/vendor/simplito/bigint-wrapper-php/lib/BigInteger.php on line 84