@boim98208 the circles are only hidden if you enable the complex group editor as they don‘t make sense anymore when it‘s enabled. If you don‘t use the complex groups then it should still be there.
@boim98208 Simplest solution is to duplicate the samples you have fewer of within the sampler for the additional groups. It doesn't use any extra memory.
@boim98208 It's just a little glitch in HISE, whenever you paste it dumps it in group 1 - but it selects the pasted samples, so all you need to do is after the paste, change the RR group
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The sampler table at the right of the mapping editor is also helpful for this kind of task.