Hello everybody

I downloaded a full backup from my live mysql DB.
I ran this backup in development environment and 
I logged to mysql by console using root user, later I run the following command:
    show databases;
The answer is:
    ERROR 1449 (HY00): The user specified as a definer ('mysql.infoschema'@'localhost') does not exist

The full backup has 15GB
The Mysql version is: 8.0.18

Could someone help me with this error message?