setting projectparameters crash

[epeter-]

revit 2017, pyrevit latest update
workflow:
create shared parameters -> save
menu manage project parameters
select parameters from shared parameter file (Button "I") (Button"[<-]) (Button "OK")
set values for 3 parameters of same group (all parameters are assigned to same classes)
click (Button"OK") or (Button"Save")
CRASH
error message:

[CyrilWaechter]

Hi @epeter- ,
Thanks for catching this issue. It looks like I broke something someday. On my side it is solved. Please update pyRevitMEP and test it.

For info (I know ui is not very explicit yet) :
I stand for instance parameter.
T stand for type parameter.

Please backup your definition file (shared parameter file) and save your project before using parameter management tools. I fear there is still some instabilities.