This is makeindex, version 2.16 [TeX Live 2022] (kpathsea + Thai support).
Scanning style file ./Diss_main.ist...........................done (27 attributes redefined, 0 ignored).
Scanning input file Diss_main.glunignoredin....done (2 entries accepted, 0 rejected).
Sorting entries....done (2 comparisons).
Generating output file Diss_main.glunignored....done (6 lines written, 0 warnings).
Output written in Diss_main.glunignored.
Transcript written in Diss_main.glunignoredl.