Vasiliy Kirochka

Hello @blackyinsol It seems you have an extra import: `from dbus import Interface` may be the auto completer put this for you, but you don't need this line give it...

Please refer to: https://github.com/smartcontractkit/full-blockchain-solidity-course-py/discussions/1110 and https://github.com/eth-brownie/brownie/issues/1441

Well this have being a common question here as allot of users didn't get the error Patrick had, so after research and thanks to @n4n0b1t3 we conclude the problem was...

Hello @DireWolf707 seems to be a problem with safe math library, like you trying to substract more than the maximum amount permited, uint256 does not allot negative numbers at all,...

Nice @spo0ds !!

Hello @Kaditcuy have you enough funds on your wallet? if not you should revisit a faucet and get more eth fo the transaction fees.

Hello @anuragpagaria on your vscode bottom left corner, you will have the python interpreter you are using, be sure to select the one on where you have installed py-solc-x

Does @gaussiao solution work for you @anuragpagaria ?

You are awesome @n4n0b1t3

Hello @shashankvivek I'll need more info on this, seems your `getEntraceFee` is reverting the transaction. So, please share the following information: 1. What is the output at deploying on development?....