wakatiwai immediatly disconnects

[mukulele]

My client in node from the examples goes immediately into status "disconnect".

Remark: [ReadInstances] (^/0... ^/1... and ^/2 are correctly read.
Below are the (I think) relevant line from the debug log.

Dec 17 17:17:28 17 Dec 17:17:28 - [trace] [lwm2m client:7ef58ae1.09487c] [Request] 1 lines, => /readInstances:12:ARADAAAAAAA=
Dec 17 17:17:28 17 Dec 17:17:28 - [trace] [lwm2m client:7ef58ae1.09487c] request => {"command":"readInstances","payload":{"type":"Buffer","data":[1,16,3,0,0,0,0,0]},"isRequest":true,"messageId":16,"objectId":3,"response":{"type":"Buffer","data":[2,16,69,3,0,0,0]},"uris":["^/3/[0-9]+/[0-9]+$"]}
Dec 17 17:17:28 17 Dec 17:17:28 - [debug] [lwm2m client:7ef58ae1.09487c] error => undefined undefined
Dec 17 17:17:28 17 Dec 17:17:28 - [info] [lwm2m client:7ef58ae1.09487c] [ReadInstances] (^/3/[0-9]+/[0-9]+$) Error Message:
Dec 17 17:17:28 17 Dec 17:17:28 - [trace] [lwm2m client:7ef58ae1.09487c] [Response:done] status:(unknown:2)
Dec 17 17:17:28 17 Dec 17:17:28 - [trace] [lwm2m client:7ef58ae1.09487c] [Request] Done
Dec 17 17:17:28 17 Dec 17:17:28 - [info] [lwm2m client:7ef58ae1.09487c] Process Exit: pid => 1963, code => 255, state => started, autoReconnect => true (after 300 sec.)

Thank you very much for your assisstance how to further debug my issue,