Multiple join although the first join is accepted (OTTA)

Hello,

I have detected a multiple join although the first join was accepted on the TTN console!

Here the extract from the LoRaWAN-Debug:

LoRaWAN EU868 Class A start!

joining…TX on freq 868300000 Hz at DR 2

Event : Tx Done

RX on freq 868100000 Hz at DR 2

Event : Rx Timeout

RX on freq 869525000 Hz at DR 0

Event : Rx Timeout

TX on freq 868100000 Hz at DR 2

Event : Tx Done

RX on freq 868100000 Hz at DR 2

Event : Rx Timeout

RX on freq 869525000 Hz at DR 0

Event : Rx Timeout

TX on freq 868100000 Hz at DR 2

Event : Tx Done

RX on freq 868100000 Hz at DR 2

Event : Rx Done

joined

The TTN-Console:

image

Note: Join-ADR manually set to DR_2 in RegionEU868.c!

Greetings E_T