Line 13 Relationship must be either DIRECT or RESELLER
Line 29 Ad system domain monetize.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 117 Record must include at least 3 comma-separated fields (ad system domain, publisher account ID, relationship)