Back saving causes dash lines to segment?

Currently using Adobe CC 2020

Where I work I am using the pen tool a lot to draw lines for maps. I then have to backsave the document to CS2 for manufacturing purposes. I have noticed after saving files, where the maps require dashed lines, and then reopening the file all of my dashed lines have been broken into segments, which is a major annoyance when it comes to revisions. I seem to only get this issue when I have to use dashed lines. Solid lines do not seem to have this issue. 

Is this something that the back save is causing or is there a setting I am not seeing that causes this? 

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