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 Git hub repo link - https://github.com/hnishal/upgrades Any help is appreciated.🙌 | 
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          Answered by
          
            cromewar
          
      
      
        Dec 2, 2021 
      
    
    Replies: 1 comment 8 replies
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| Hello @hnishal it seems you have mismatch on openzeppelin version:  I hope this works for you. | 
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                    8 replies
                  
                
            
      Answer selected by
        cromewar
  
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Hello @hnishal it seems you have mismatch on openzeppelin version:
KeyError: 'OpenZeppelin/[email protected]/Address'change yourbrownie-config.yamlto version@4.4.0. Delete your build folder and compile again withbrownie compile.I hope this works for you.