Hi @marcusig,
I mean the Theme, I am using the Listingpro theme.
I do have a child theme as well, I really need to fix this issue but the Theme developers are saying that there is no issue when obviously there is an issue.
If it was added to the child theme would I just need to remove that line?
I do appreciate your help Marc. This is very helpful, I thought it was just a cache issue. 🙂
Have you tried setting the cache lifespan to something like 5 hours or less?

By setting a short lifespan to the cache, the files will regenerate more often, and include up to date nonces.
If it was added to the child theme would I just need to remove that line?
If it was part of the child theme you could, but adding it in the child theme wouldn’t do anything, apart from maybe breaking things.
Marc.
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This reply was modified 6 years, 7 months ago by
Marc Lacroix.
I will try regarding changing the lifespan to 5 hours. Thank you so very much for your help @marcusig