Have you run into this puzzling error? It comes in a couple of flavors, but it boils down to you failing miserably when you run the create_hypertable() function on your PostgreSQL TimescaleDB database server! Annoyingly, it might mean that the whole function is missing (extension is not installed or loaded)…Continue reading How to solve “Npgsql: 42883: function create_hypertable(…) does not exist”?