Hello,
This error may appear if files within 'includes' folder were not uploaded in Binary mode.
The files within 'includes' folder must be uploaded in the BINARY mode. This is to be selected within your FTP client program.
Please, reupload the files within your 'includes' folder in the Binary mode.
If the problem persists, please submit a support ticket at
https://www.viart.com/support with your site URL and valid FTP details to your site and we'll check the issue.
With regards,
ViArt Support Team