Hey @gsbwp, looks like shortcode to me. Seems like you are taking over a website that has/had a plugin installed that the code [DISPLAY_ULTIMATE_PLUS] refers to? You can probably check to make sure that specific plugin is installed and active. Hope that helps?
...turns out that my two cents is worth less or more depending on the current exchange rate.
roy darling *my posts seem a lot shorter in my head