OH3: Can't inverse percentage in channel setting of a zwave rollershutter device (fibaro FGR-222)

After migrating to Openhab 3, inverting the percent feedback no longer works. I can select the invert percentage in the channel settings, but it does not work. (in openhab 2 the percentage display was inverted). Moving of the rollershutter is in the right direction.

when saving the change, the following message appears.

I suspect that something could not be written, but I do not know how to find out what the problem is.

Does anyone have an idea how I could solve the problem? Is there possibly another UI with which I can configure the channels of the ZWave devices?

Openhab Version 3.1.0 (Stable) on Raspberry Pi 3
Device FIBARO FGR-222
ZWave Stick AEOTEC Gen5

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