Quote n0b0dy (
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I finally managed to find, convert for SE and add the missing catalog data for galaxy PGC 54493 so that it does not give an error message in the console.
Please copy / paste the code below at the end of the entries inside the file YourSEfolder\addons\catalogs\galaxies\KexittCatalog.sc :
LOl thank nobody, I saw those "error" tell me PGC 54493 is missing lol