Script test BUG... Or not?

[djbony]

Why?

[radio42]

Because the output logs everything what is happening in the system during the script execution. So this is NOT a bug, but by design!
On you case many MIDI messages are send during that time.
You can scroll the output to see all messages.

[djbony]

But what if I just need to test how the script suggests a playlist? Did it work before or am I doing something wrong?

[radio42]

The playlist of the script is as shown!
In your screenshot it currently only contains one playlist entry.
I cannot tell you why there are not more (with the limited info shown here).
As said, scroll up in the log output to get more info…
There is probably a history conflict. Just ignore/skip all the MIDI command messages.