single patches won't be stored

[asas]

For some reason the single patches won't be stored on my virus a. I can store complete banks but when I try to store only one patch it failes. I see the name of patch but after selecting it, it disappears.

I have tried all the setting under midi dump rx: enable, force to bank a/b and force to edit buffer. Didn't try disable (memory protect is off)

Does anyone have a clue what's going on?

Thanks,
Jaap 8O