Yes you will have to use 'L01'.
If you are adding the ID manually you might also get away with 'L_1' - 'L11' etc.
You would have to try it to see if it works.
Don't use just a space 'L 1' as it is easily missed when you edit the ID.
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11