Netgear Genie does not detect PLP1200 / PLP1200 pas détectés par Netgear Genie

Hi   My powerplugs PLP1200 are shown as unknown devices in Netgear Genie, and I can't manage them.   On one other hand, my older powerplugs : XAVB1401, XAV5401, XWN5001 are shown properly and I c...