https://community.qlik.com/t5/Qlik-Sense-SaaS-Multi-Cloud/Upload-Rejected-by-Qlik-Cloud-App/m-p/1738...
Referencing this post, when a task fails after its scheduled run for some reason (connectivity issue, etc), the next run (or manual trigger) is the only way for the task to restart.
Having some sort of auto-retry option would be useful.
This is specific to Qlik Sense SaaS.