27.12.2017, 11:45
It sounds like you are missing some of the YSI include files.
Perhaps try installing YSI again, I download the current plugin from here:
https://github.com/Misiur/YSI-Includes/releases
Simply copy both the folders to your server directory and merge the contents.
Perhaps try installing YSI again, I download the current plugin from here:
https://github.com/Misiur/YSI-Includes/releases
Simply copy both the folders to your server directory and merge the contents.