Heuristic SQL Injection in ASP.net core API

How to fix Heuristic SQL Injection in ASP.net core API

Issue detected in initial controller method itself(FromBody] List emp)),

public ActionResult<List> SaveEmployee([FromBody] List emp)
{

        List<Employeee> requestDTOs = _empBl.SaveEmployee(emp);

}

Kindly help to fix the issue.