Is it possible that you're running out of concurrency due to too many users? https://eringill.shinyapps.io/covid_mutation_distributions/ <img width="1611" alt="Brave Browser 2024-08-14 19 47 32" src="https://github.com/user-attachments/assets/d55bd0af-2239-4355-9cb8-57dc1a0e444a">