I've been getting a range of similar error messages (when I run a ReCiPe analysis of a product system produced from the ecoinvent 3.5 process "building construction, hall, wood construction | building, hall, wood construction | Cutoff, U - RoW".
I just followed the guidance above (very helpful, thank you!). In my case, the process with the problem is "REF_ID NAME 90b163cf-cbfa-360a-87e4-ef8cf907b897 electricity production, nuclear, aluminium industry | electricity, high voltage, aluminium industry | Cutoff, S"
When I open the process I get a warning popup saying "formula evalution failed", with a message that says "Boil_RU+Pres+PWHY+Pres_RU+PWHR_RU+Boil". This looks like some parameters that are presumably used in the underlying model.
Just to clarify, I have not done any modelling myself here; just running an analysis of an ecoinvent process.
Would anyone have advice, please, on what best to do when these sorts of error messages come up? I saw in a different thread that we can try validating the database, but as this is an ecoinvent process I'm not sure that this will lead me to a resolution.