How to manual disconnect from BLE UART server

Added a “print” when “Quit" is received

It seems like the "disconnect" is not executed, output is:

>
Done!
RX: SASML,299.45,-4.5%
RX: Hottentottententente
RX: Quit
Quit received, disconnecting now
RX: D07-06-2020 12.23
RX: SAAPL,311.01,+11.5%
RX: SASML,299.45,-4.5%
RX: Hottentottententente
RX: Quit
Quit received, disconnecting now
RX: D07-06-2020 12.23
Uncaught Error: BLE task 3 is already in progress
 at line 1 col 149
...ting now");gatt.disconnect();}
                              ^
in function called from system
RX: SAAPL,311.01,+11.5%
RX: SASML,299.45,-4.5%
>