I’m working on upgrading a project from Revit 2020 to Revit 2023, and I’m encountering this error:
“‘ParameterType’ is inaccessible due to its protection level”

I’m working on upgrading a project from Revit 2020 to Revit 2023, and I’m encountering this error:
“‘ParameterType’ is inaccessible due to its protection level”

I’m working on upgrading a project from Revit 2020 to Revit 2023, and I’m encountering this error:
“‘ParameterType’ is inaccessible due to its protection level”

I’m working on upgrading a project from Revit 2020 to Revit 2023, and I’m encountering this error:
“‘ParameterType’ is inaccessible due to its protection level”

I am trying to implement a spell check for room names in Autodesk Revit using the LanguageTool API. However, Revit freezes as soon as I run the script. It seems like the problem starts when executing the following part of the code.

I need to add new parameters to all rooms in a project.
I can’t figure this out, any help is most appreciated. Here’s where I am: