Line 19 adnxs.com is not the canonical exchange domain. Use appnexus.com instead.
Line 20 adnxs.com is not the canonical exchange domain. Use appnexus.com instead.
Line 94 Ad system domain consumable.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 97 Ad system domain saambaa.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