Dear all,
Any one can help me with the following? I am trying to create some basic Dynamo Script to ARRAY a Simple CAD-Block on a linear polyline path. Please check the attached screenshot. BlockRefernce.ByCoordinateSystem indicates a constant error, please check the screenshot.
Thank you so much for your help and support.
Kindly regards
Salwan
Hi @S.Abbosh,
The issue is that the Document.BlockByName node is returning a null output, which will propagate through to all of the downstream nodes. Make sure that the name of the block is spelled correctly.
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Dear Zachri,
Thank you so much for the answer and the time you spent helping with my dynamo topic. After checking the block spelling, everything went perfectly. Now, I am facing another challenge! 
I was trying to import a block from an external DWG file, but unfortunately, I could not achieve that goal! So I just want to know what I missed importing an external AutoCAD block from an external DWG to my current file.
lots of thanks for everything
Kindly regards
Salwan
Please open a new thread for this as it is unrelated to the original topic.