ERR: element not found

[stuartw0]

Ebusd version 3.2 has been running happily since 2018 (didn't even realise it'd been that long, realise it's an older version) collecting data from Valiant EcoTec Plus boiler.

Following an unscheduled reboot (power filature) this week, my collection scripts have all failed with error "ERR: element not found"

Using ebusctl presents the same result.

ebusctl scan result shows:
08;Vaillant;BAI00;0204;9602
84;Vaillant;OTS00;0205;9101

I'm feeling like this is a config issue - and can see that 08.bai.csv was recently changed. Is this likely to be related?

Any pointers please? It's been so long since I've touched this, as its just worked!