telegram-bot-api: "File is too big" even though the server was started with --local
The bot was not actually talking to the --local server: an older telegram-bot-api process without the --local flag was already bound to port 8081, so all requests hit the non-local instance (whose 50 MB limit applies). Check which process is listening on the port (Task Manager/htop/top) and confirm the running instanc…
Problem outcome: unknown