Line 12 altitudedigital.com is not the canonical exchange domain. Use altitude-arena.com instead.
Line 13 Ad system domain oath.com is not a known exchange domain. Ensure the spelling is correct, check the partner documentation, or have the partner update the IAB Tech Lab normalization mappings: https://wiki.iabtechlab.com/index.php?title=Ads.txt_Normalization_Mappings
Line 14 brightroll.com is not the canonical exchange domain. Use btrll.com instead.
Line 17 rubicon.com is not the canonical exchange domain. Use rubiconproject.com instead.
Line 21 sfx.freewheel.tv is not the canonical exchange domain. Use freewheel.tv instead.
Line 23 publishers.teads.tv is not the canonical exchange domain. Use teads.tv instead.
Line 24 publishers.teads.tv is not the canonical exchange domain. Use teads.tv instead.