I have a problem on this node and i seem to cant find the solution. Im new to dynamo and I dont know how to troubleshoot
Im using revit 2020. this node is from SteamNodes
Hello @bj.escarilla and welcomeâŚtry write point instead of Point and save the nodeâŚ
Looks like youâre following my tutorial. That is caused if you run the script and the viewport has been placed already, check the output of tool.placeviewonexistingsheets, it will probably say âView already placedâ. Youâll need to place and set the viewport types all in one go.
Hi Gavin! Yes, I am. 
Just started exploring the use of dynamo yesterday and your lectures are very helpful.
I see. will try this one. Thank you so much for the tip! 
No worries, might be worth me explaining it in a bit more depth too so the warning makes sense.
By default, this node attempts to place views onto a sheet, which makes them into a viewport in the output of the node. Given in Revit you can only place most views once per project on a sheet, if it fails to place it, the node returns an error message instead (which is text).
The node in this case is being given that text message (string), so it canât set a viewport type to that as it isnât the viewport originally placed. I seem to recall I donât explain this too well in the tutorial so sorry about that - I was quite new to Dynamo at the time compared to now.
You may find the âCrumpleâ package helpful as well. I ended up remaking the view to sheet node eventually in my own package as this one has the error with inputs and I wanted to change how it behaves a bit (I made one which accepts one location for all viewports, and one which can do one point per viewpoint). The create viewport node from Rhythm is a bit better again, as it can do schedules/legends.
Hi again, Sovitek.
I really appreciate your help.
I tried this one and still have a null problem.