Hi Surroot and thanks for the reply.
I´ve receated it so many times and it doesn´t help.
Do you know where the "Off" comes from.
Regards

Hi. I am new to Domoticz and I have got stuck. I think I´ve tried "everything" but I always get the message: admin@RT-AC66U-9A08:/jffs/scripts# ./presence_detection 34:A3:95:7B:1D:84 127 [: Off: unknown operand This is my "presence_detection". What is wrong? #!/bin/sh mac=$1 idx=$2 device_present= ...