Each time you start, the platform checks whether you have enough credit for the reservation: the expected number of kWh × the price of that charge point, plus a 10% margin. If that amount is higher than your balance, the session will not start.
Solution: top up your wallet via Me > Your team > Top up, or link a credit card or Apple Pay and turn on auto refill.
Keywords:
insufficient credit | balance too low | cannot charge despite balance | reservation | 10% margin