FundMe() Gas estimation failed

[parishill25]

Hi everyone,when i call FundMe function after deployement, I got the gas estimation failed message.Thanks a lot for your help.

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
import "./PriceConverter.sol";

contract FundMe{

using   PriceConverter for uint256;
 
uint256 public minimumUsd= 50*1e18;

address[] public funders;

address public owner;

mapping (address=>uint256) fundersToAmount;

constructor(){
      owner=msg.sender;
}
  
   

function fund() public payable {
    require(msg.value.getConversionRate() >= minimumUsd,"dind't send enough");
    funders.push(msg.sender);
    fundersToAmount[msg.sender] +=msg.value;

    
    
    }

function withraw() public OnlyOwner {
  

    for (uint256 funderIndex=0;funderIndex<funders.length;funderIndex++){
    
    address funder =funders[funderIndex];
    fundersToAmount[funder]=0;
    }
    funders = new address[](0);
    (bool callSucess,)=payable(msg.sender).call{value:address(this).balance}("");
    require(callSucess,"Call failed");

}

modifier OnlyOwner{
      require(msg.sender==owner,"Sender is not the owner");
      _;
    
}

}

[AmitKochar1]

Could you paste the error message as well?