Following the description of MMM-NearCompliments, MMM-PIR-Sensor has to be installed, too, if you intend to use the powersaving function. See the options ‘usePIR’ and ‘powerSavingDelay’

usePIR Should we use PIR sensor to activate only distance measurment when USER_PRESENCE notification is sent by MMM-PIR-Sensor?
Possible values: boolean
Default value: false

powerSavingDelay Power saving delay in seconds defined in MMM-PIR-Sensor. It gets overwritten by MMM-PIR-Sensore module and is only defined for backup purpose.
Possible values: int
Default value: 30