Thanks for your interest!
For information around the dataset, technical issues etc. making an Issue is the best. You can do so at the repository. Problems with the Website can be reported here. To contribute a bug, have a short look at the tutorial.
We are also just happy to chat! If you work in software engineering with or against bugs, feel free to drop us a message. We are currently at the TU Delft Software Engineering Group, and you can best reach us per Email: