Hearts not refilling

Question

I'm trying to refill my hearts but it won't let me, i can't access all my courses because of it.
Please help

Answer 1

Having the same problem, going to wait five hours and see what happens but I have over 700 bits.

Answer 2

Have the same problem rn, i have over 1000qubits and can't use them to refill my hearts, i was finishing my javascript course and now i can't until they refill again.