Good Morning. As seen in the photo, the rail is not defined on the 2 columns. 
				
			
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 I deleted it and redrawn it a few times but the same problem arose. The building is adjacent to the left That's why I couldn't get out of the apartment. I didn't know if it had anything to do with it. There is no problem in the analysis. But I am not sure. How can I fix this? Thank you for your attention.