The "lwm2m_get_time" function uses some internal 32bit esp buffer, running at 1MHz, so after around 70 minutes the buffer overflows, and the client registration update mechanism stops working, because suddenly "current" time is lower than "previous" time.
The "lwm2m_get_time" function uses some internal 32bit esp buffer, running at 1MHz, so after around 70 minutes the buffer overflows, and the client registration update mechanism stops working, because suddenly "current" time is lower than "previous" time.
One way to fix it: #17