Guss

Did try your recommended steps unfortunately without success as second run between 5 and 6 did delete the whole wnsm folder and did delete the suspicious sensors within core.entity_registry finally...

reason found :-) these entries are caused by the configuration file **vsm_zaehlpunktnummer:** at001000000000000000100000xxxxx, at00100000000000000010000yyyyyy if i remove the second Zählpunkt there dublicate sensors of the primary are createed: sensor.at001000000000000000100000xxxxx_2 and...

Did remove configuration entries and anyhting is working fine 👍