That’s most likely because the function I got from the other plugins documentation might not work as I expect (or not exist at all) and the function fails, thus throwing an error. I suppose that the “fifc_get_tax_thumbnail” function does not exist or does not work, or a different function is used.
If you can ask the plugin developer how to retrieve the featured category image based on it’s ID, then all we need to do is replace that line in my code with that, and it’s going to work.
Best,Ernest Marcinko
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