in Module 2, Exercise 1 - in the download the data section, the link goes to a file that refers to exercise 2:
https://nexus.heigit.org/repository/gis-training-resource-center/Modul_2/Modul_2_Exercise2_Geodata_Concept/Modul_2_Exercise2_Geodata_Concept.zip
The second exercise in Module 2 is also listed as exercise 1 in the contents and page URL - should be exercise 2
in Module 2, Exercise 1 - in the download the data section, the link goes to a file that refers to exercise 2:
https://nexus.heigit.org/repository/gis-training-resource-center/Modul_2/Modul_2_Exercise2_Geodata_Concept/Modul_2_Exercise2_Geodata_Concept.zip
The second exercise in Module 2 is also listed as exercise 1 in the contents and page URL - should be exercise 2