This is makeindex, version 2.15 [MiKTeX 21.6.28].
Scanning input file GradualeMonasterienseParsSecunda-Alle.idx....done (38 entries accepted, 0 rejected).
Sorting entries....done (204 comparisons).
Generating output file GradualeMonasterienseParsSecunda-Alle.ind....done (77 lines written, 0 warnings).
Output written in GradualeMonasterienseParsSecunda-Alle.ind.
Transcript written in GradualeMonasterienseParsSecunda-Alle.ilg.