Line 27 aolcloud.com is not the canonical exchange domain. Use adtech.com instead.
Line 33 Record must include at least 3 comma-separated fields (ad system domain, publisher account ID, relationship)
Line 44 Ad system domain engagebdr.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 45 Ad system domain is invalid
Line 46 Ad system domain is invalid
Line 70 Ad system domain btrll.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 111 index.com is not the canonical exchange domain. Use indexexchange.com instead.