Next js error in console _next/data/QPTTgJmZl2jVsyHQ_IfQH/blog/post/21/.json

Question

I receive an error in the console in my next js site.

GET https://example.com/_next/data/QPTTgJmZl2jVsyHQ_IfQH/blog/post/21/.json net::ERR_ABORTED 404