hi everyone,
Whenever I try testing the script by adding new levels in the excel sheet, dynamo automatically duplicates floor views and sheets instead of adding it to the existing ones it created. Is this a bug or am I doing anything wrong? if not, then what kind of solution would be implemented in such case?
Hello @karim22,
Welcome to the dynamo community 
You have a script that creates views and sheets.
You have a group of nodes called “create sheet” with a node inside it that creates sheets.
You have a group of nodes called “create floorplans”, with a node inside that creates floor plans.
So why are you surprised that floor plans are created? Nothing is duplicated here, you are creating new views every time you run the script.
If you want to place existing views on existing sheets, you have to build a script that can do this.
The big advantage of visual programming is that you can look at the result of every node and see what happend at every step in your graph.
So open up all the node results, see what happened in the graph and most important, look at the error you got at the node that creates the sheets.
In general, if you want to get help from the forum please show all node results and error messages in your screenshots 
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