You should, as @FordGuy61 mentioned, add year and id to the show folder!
Like:
\igor5\Multimedia\TV\1883 (2021) {tmdb-118357}\Season01\1883 (2021) S01E01 1883.mkv
\igor5\Multimedia\TV\1883 (2021) {tmdb-118357}\Season01\1883 (2021) S01E02 Behind Us, A Cliff.mkv
Also note, that if Igor5 is a QNAP, then you did put your medias in a bad place
Ref: Qnap faq.....read me first! Q14
