Error message by reding out 2 mesurment divices => Basic question

Since 1,5 years I am reading out an energy measurement device via Tasmota.
So i have historic data in the system. Energy dashboard was set up and reporting fine.

Now I had to introduce the second energy measurement device to the system. Somehow I screwed up!
I lost the first (operational) measurement device. the Tasmota reader was off and I had to reset it and set it up again. Since that time I could not introduce the sensor to the system. I can see in Tasmota 2 divices and only 20 entity’s.

The only error message from the system is:
Logger: hatasmota.discovery
Quelle: util/logging.py:105
Erstmals aufgetreten: 09:11:40 (2 Vorkommnisse)
Zuletzt protokolliert: 09:11:40

Invalid discovery message C8C9A3107F92: ‘{“sn”:{“Time”:“2025-02-15T07:16:29”,“NachtStr#”:{“Energy”:27789.95,“Power”:0}},“ver”:1}’

Invalid discovery message 34B7DAA322FC: ‘{“sn”:{“Time”:“2025-02-14T18:16:35”,“StromTag#”:{“Energy”:1376.56,“Energy”:0.00,“Power”:2455}},“ver”:1}’

I guess I miss something very basis like an set up in the configuration.yaml ???
Can somebody help and give the right hint to solve?
Many Thanks
Jordy