Board Thread:Support Requests - Getting Started/@comment-35588571-20200731002501/@comment-9605025-20200802031722

I don't know the details but the interpreter does distinguish between them. In order to transclude a page outside of the template namespace, you need to place and extra ":" either before or after the "w". For example

You would need to use either one of those to translude "User:Evan0512/Template2" instead of "Template:User:Evan0512/Template2". So, basically the syntax for scary tranclusion is as follows.