// check against max upload size within Friendica instance
$maximagesize = Config::get('system', 'maximagesize');
if ($maximagesize && ($filesize > $maximagesize)) {
- $formattedBytes = formatBytes($maximagesize);
+ $formattedBytes = Strings::formatBytes($maximagesize);
throw new InternalServerErrorException("image size exceeds Friendica config setting (uploaded size: $formattedBytes)");
}