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Command Copy exited with Code 1

If you get that error message, it is usually because you have configured your application to run some batch copy commands either just before the build of the app or after it. So go to Project Properties -> Build Events and check if there are any pre-build events or post-build events with any copy command. This usually happens when you get a version of legacy code that some other developer has written and are working on some fixes.

First check if there are any discrepancies with the copy command syntax or the directory path mentioned therein. If you can't resolve the error because of constraints such as not being able to change the directory structure, just get rid of the commands for the time-being and continue with your dev. You can later on figure out what the original intent of the previous developer was and go for the solution.