Hi, to be able to read a USB scale, i had to fix 2 files from your sources :+1: 1st is Request.php, at line 492 ``` php public function getScales(string $computerId) ``` changed to ``` php public function getScales($computerId) ``` And 2nd file is Scale.php, at line 32 ``` php protected $clientReprotedCreateTimestamp; ``` changed to ``` php protected $clientReportedCreateTimestamp; ``` (reported and not reproted) Thomas.