Add custom errors for missing tail data
Add custom errors for missing tail data

andrhamm/Singularity,hs-jenkins-bot/Singularity,hs-jenkins-bot/Singularity,hs-jenkins-bot/Singularity,HubSpot/Singularity,HubSpot/Singularity,HubSpot/Singularity,andrhamm/Singularity,andrhamm/Singularity,hs-jenkins-bot/Singularity,andrhamm/Singularity,HubSpot/Singularity,andrhamm/Singularity,hs-jenkins-bot/Singularity,HubSpot/Singularity