O. F.

I seem to have an actual SM-0306E-2W and I get the same error. z2m: Publish 'set' 'power_outage_memory' to 'DEVICE_NAME_HERE' failed: 'Error: ZCL command 0xa4c138a427dbad64/1 genOnOff.write({"moesStartUpOnOff":0}, {"timeout":10000,"disableResponse":false,"disableRecovery":false,"disableDefaultResponse":true,"direction":0,"reservedBits":0,"writeUndiv":false}) failed (Status 'UNSUPPORTED_ATTRIBUTE')' Z2M...

@fonso2 It seems to work the same way for me as it does for @detLAN in an earlier comment here. It gives out an error when you make a change...