Hey mate,
Without a photo is hard to know but, my guess would be for you to use a different space to burn you coals or to try to use a chimney starter? In case you don't know what it is I leave you a link below with a weber one.
https://www.amazon.co.uk/dp/B009IH0ICG?tag=bestbbquk-21&linkCode=ogi&th=1&psc=1