Errormessages in log -

Hi

I have a wallswitch of the type:
Aeon Labs ZW075 Smart Energy Switch 3rd Edition
Smart Energy Switch 3rd Edition

When I try to use it I see the following in the openhab log:

2017-01-02 22:16:00.561 [ERROR] [col.security.ZWaveSecureNonceTracker] - NODE 58: SECURITY_ERROR Device message contained nonce that is unknown to us, id=-23.
2017-01-02 22:16:00.652 [ERROR] [mmandclass.ZWaveSecurityCommandClass] - NODE 58: SECURITY_ERROR MAC Authentication of packet failed. Dropping.
2017-01-02 22:16:00.653 [ERROR] [ssage.ApplicationCommandMessageClass] - NODE 58: Failed to decrypt message out of Message: class=ApplicationCommandHandler[0x04], type=Request[0x00], priority=High, dest=255, callback=0, payload=00 3A 22 98 81 7F 2B 14 1B 59 17 B9 76 BD 59 89 55 D6 B5 DD 3B 59 D3 53 22 2F F9 B8 E9 17 B2 32 8F A6 48 90 7C  .
2017-01-02 22:16:00.747 [ERROR] [col.security.ZWaveSecureNonceTracker] - NODE 58: SECURITY_ERROR Device message contained nonce that is unknown to us, id=-107.
2017-01-02 22:16:00.833 [ERROR] [mmandclass.ZWaveSecurityCommandClass] - NODE 58: SECURITY_ERROR MAC Authentication of packet failed. Dropping.
2017-01-02 22:16:00.833 [ERROR] [ssage.ApplicationCommandMessageClass] - NODE 58: Failed to decrypt message out of Message: class=ApplicationCommandHandler[0x04], type=Request[0x00], priority=High, dest=255, callback=0, payload=00 3A 22 98 81 48 74 58 35 6A B7 C8 4B A7 BC A2 FA 64 A2 FA 44 E2 AA E7 6A 9F 97 C3 95 8D 39 53 ED 4D 07 08 7D  .
2017-01-02 22:16:00.941 [ERROR] [col.security.ZWaveSecureNonceTracker] - NODE 58: SECURITY_ERROR Device message contained nonce that was previously used, id=-107.
2017-01-02 22:16:00.941 [ERROR] [ssage.ApplicationCommandMessageClass] - NODE 58: Failed to decrypt message out of Message: class=ApplicationCommandHandler[0x04], type=Request[0x00], priority=High, dest=255, callback=0, payload=00 3A 22 98 81 48 74 58 35 6A B7 C8 4B A7 BC A2 FA 64 A2 FA 44 E2 AA E7 6A 9F 97 C3 95 8D 39 53 ED 4D 07 08 7D  .
2017-01-02 22:16:01.085 [ERROR] [col.security.ZWaveSecureNonceTracker] - NODE 58: SECURITY_ERROR Device message contained nonce that was previously used, id=-107.
2017-01-02 22:16:01.085 [ERROR] [ssage.ApplicationCommandMessageClass] - NODE 58: Failed to decrypt message out of Message: class=ApplicationCommandHandler[0x04], type=Request[0x00], priority=High, dest=255, callback=0, payload=00 3A 22 98 81 48 74 58 35 6A B7 C8 4B A7 BC A2 FA 64 A2 FA 44 E2 AA E7 6A 9F 97 C3 95 8D 39 53 ED 4D 07 08 7D  .

Anyone got any ideas as to what can be wrong here? All new to OpenHab

//Morten