How to create a DataModule in Delphi 10.1

问题:

I tried to create a DataModule for my non visible components in my multi-device-application, but the app won't compile giving me the following error:

回答1:

Well, I hadn't been working on this app for very long so I started over and I was able to create and use the Datamodule just file. Not sure what the issue was, but thanks, guys. I actually thought I found a bug. Well, I did. It was me