Abstract type "TravelTips" must resolve to an Object type at runtime for field "Query.travelTipBySlug". Either the "TravelTips" type should provide a "resolveType" function or each possible type should provide an "isTypeOf" function.
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ExploringLondon

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📍 Your guide to London & beyond since 2015 ✨ Things to do, food, hotels, travel & more 📩 exploringlondon@hotmail.com 👩‍❤️‍👨 Drs Baj & Vaish

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