@Marcel_Rijsmus
Thank you so much for your contribution on this issue!
Somehow with a code block, the messege of invalid paramater type is gone… 
But now the next error pups up:
As you suggested I searched the forum about this issue and found this topic…
https://forum.dynamobim.com/t/no-shared-parameter-file-found-orchid-package/37706
But I’m not sure what it means.
THey say that the Orchid node is looking for a SP-file within Revit instead of Dynamo. But should I find a file path first? I’m not sure…