Hi,
It's different because we don't see how that displays, or which email notification it is from.
Now that I have the screenshot, I understand the situation.
The issue is that you have turned off the HTML setting of your emails, or the main HTML setting in the HikaShop configuration.
And thus, the text version of the emails is sent instead of the HTML version.
The text version is much simpler than the HTML version and doesn't contain all the data that the HTML version has. So what you have is normal.
Turn back on the HTML setting and it will display properly with the custom fields and all. Alternatively, you can also remove all the code of the text version and the system will dynamically generate the text version out of the HTML version. It will have all the information but it will be more messy.