I've come back 5 hours later and ran the same search again and it has worked. The search was 'Hidden Gems in Chiang Mai'. Previously, it asked to sponsor you

I've come back 5 hours later and ran the same search again and it has worked. The search was 'Hidden Gems in Chiang Mai'. Previously, it asked to sponsor you on GitHub for it to work. Why is, or was, their code built in asking to sponsor you? Is this what happens when a token limit is reached?