Rename sheets

Hi All,
Hope you are well.
I am a newbie for the world of ‘Dynamo’ and this forum.
I am trying to develop dynamo graph for renaming sheets.
I have found one graph on the web but having below error.
Not sure how to fix it.

Any suggestion or help would be highly appreciated.
Deepan Rao

Check @john_pierson post here : Renaming Revit Views with Dynamo


The BimorphNode no longer accepts a view name as an input from version 4.0, only a ViewSchedule is a valid input. Prior versions supported string inputs but this feature was removed to improve the node type checking. Full details about the changes are here.

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