src/Security/RateLimiting/RateLimit.php
protected function setErrorMessage($config)
    {
        if (isset($config["errorMsg"])) {
            $msg = $config["errorMsg"];
        } else {
            $msg = "Rate limit exceeded, wait %min% minutes.";
        }

        $replace = array(
            "%min%" => intval(ceil($config["blockDuration"] / 60)),
            "%cnt%" => $config["count"],
        );

        $this->errorMessage = str_replace(array_keys($replace), $replace, $msg);
    }
protected function setErrorMessage($config)
    {
        if (isset($config["errorMsg"])) {
            $msg = $config["errorMsg"];
        } else {
            $msg = "Rate limit exceeded, wait %min% minutes.";
        }

        $replace = array(
            "%min%" => intval(ceil($config["blockDuration"] / 60)),
            "%cnt%" => $config["count"],
        );

        $this->errorMessage = str_replace(array_keys($replace), $replace, $msg);
    }
Sets the error message that will be retrievable via {@see RateLimit::getError()}

@param array $config Limit configuration