Help!!

[Rushil38]

Tomorrow i have to submit the project and i'm not able to run the code im getting this error in console

ethers-5.7.1.umd.min.js:1 Uncaught (in promise) Error: call revert exception [ See: https://links.ethers.org/v5-errors-CALL_EXCEPTION ] (method="getAllVotesOfCandiates()", data="0x", errorArgs=null, errorName=null, errorSignature=null, reason=null, code=CALL_EXCEPTION, version=abi/5.7.0)
at Logger.makeError (ethers-5.7.1.umd.min.js:1:62180)
at Logger.throwError (ethers-5.7.1.umd.min.js:1:62385)
at Interface.decodeFunctionResult (ethers-5.7.1.umd.min.js:1:239833)
at Contract. (ethers-5.7.1.umd.min.js:1:410239)
at step (ethers-5.7.1.umd.min.js:1:401851)
at Object.next (ethers-5.7.1.umd.min.js:1:401111)
at fulfilled (ethers-5.7.1.umd.min.js:1:400485)

and also its asking real ethereum for the transaction plz help me