Hello and thanks for your reply!

Unfortunately, the changes done here have some issues.

You added names to the holes, that are only refs (https://www.gc-oberneuland.de/platz/spielbahnen/). None of these holes have actual names. Please stick to https://wiki.openstreetmap.org/wiki/Tag:golf%3Dhole when editing. In general, correct usage of the name=* tag is crucial in OSM. Please check https://wiki.openstreetmap.org/wiki/Good_practice for further info.

In addition the tees were already mapped on most holes (see e.g. here https://www.openstreetmap.org/way/1051873486) thus resulting in redundant data.

As you seem to be mapping as a commercial user, please also observe https://osmfoundation.org/w/images/6/62/Organised_Editing_Guidelines.pdf to maximise transparency which is very much valued at OSM.

You could start off by adding some information to your profile to let other mappers know your background and motivation to edit OSM.

And finally, it is a good advice to contact people of the local community before editing things that are already mapped and / or be 100% sure. This is especially helpful in areas that are already mapped well and have an active community like in Germany.

Thank you!