When you start trial version of Teamgate, the application gives you an option to upload demo data. It is made for your convenience so that in short period of 14 days you can experience all that Teamgate has to offer. There is no need to fill in huge amounts of data, simply use pre-made materials. At any point of the trial period, you can delete demo data and start entering your own information, or export it from your own database.
Click the icon in the upper right corner with your avatar located on the top right corner > click Remove demo data.