commit (-D) symlinking broken

Got this error using commit -D:

┌[dennisba@espresso] [/klausurarchiv/30-einzusortieren/dennisba] └─╼$ commit -D [...] processing exam: Lineare Algebra 1 - 2016-10-01 - Klausur - 2 - Klüners [...] Printjobs are under way. Please insert them into the folders as needed. Confirm: Did that work out alright? [Y/n] ? Splendid. I will now adjust the digital folders... moving /klausurarchiv/30-einzusortieren/dennisba/Lineare Algebra 1 - 2016-10-01 - Klausur - 2 - Klüners.pdf to /klausurarchiv/50-fertig/nach-jahren/2016/10 creating symlinks in /klausurarchiv/50-fertig/alle-ordner/Lineare Algebra I - Klausurmappe - 1642 creating symlinks in /klausurarchiv/50-fertig/alle-ordner/Lineare Algebra I - Klausurmappe - 1641 Error: [Errno 17] File exists: '../../../30-einzusortieren/dennisba/Lineare Algebra 1 - 2016-10-01 - Klausur - 2 - Klüners.pdf' -> '/klausurarchiv/30-einzusortieren/dennisba/Lineare Algebra 1 - 2016-10-01 - Klausur - 2 - Klüners.pdf' Confirm: Okay to continue [y/N] ?

Seems it doesn't happen with commit single-file (maybe -D error?).