public function addError($fieldName, $ruleName, $message)
    {
        $this->errors[$fieldName][$ruleName] = $message;

        return $this;
    }
public function addError($fieldName, $ruleName, $message)
    {
        $this->errors[$fieldName][$ruleName] = $message;

        return $this;
    }
public function addError ( $ fieldName , $ ruleName , $ message ) { $ this -> errors [ $ fieldName ] [ $ ruleName ] = $ message ; return $ this ; }
Add validator error from validator classes and methods. This error
reset on every re-validation

@param string $fieldName dot-notated field name
@param string $ruleName name of validation rule
@param string $message error message

@return Structure
Add validator error from validator classes and methods . This error reset on every re - validation