For a single manga the "mangaId" should be passed while "mangaIds" is empty, however, the "mangaIds" were passed as an empty array which caused an empty array of manga ids to be passed with the mutation
For a single manga the "mangaId" should be passed while "mangaIds" is empty, however, the "mangaIds" were passed as an empty array which caused an empty array of manga ids to be passed with the mutation