You can ignore that. For one page load your browser blocked an ad is all.
You can check status here: https://www.grandoldteam.com/forum/account/adblock-tracker
And if wish to read more, though I wouldnt recommend it, you can do so here...
Just noticed there’s a load of copper cabling next to each section, could that be wiring because it’s all LED and it’s actually white (until illuminated)