Webscraper disappeared from Chrome Dev Tools menu

Today webscraper disappeared from my dev tools menu on a chrome profile I have been using it for several years even though it appears in the extensions toolbar at the top of chrome. I tried uninstalling, closing the browser and reinstalling several times but nothing has worked. It appears in the extensions toolbar at the top of chrome but not in devtools. As a result, I cannot use it and I guess have lost all the sitemaps I built.
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Could someone kindly assist please? Thanks very much in advance

Thank you for your suggestion. Yes it does work on another browser but I was hoping for a solution as to why it wasn't working in chrome.

I do save the sitemaps to files that but had some sitemaps that were work in progress.