I’ve submitted this in a regular support ticket, and was directed here as their response. Searched here and didn’t find anything else relevant.
We have Zoom for Salesforce Lightning integration installed and the Zoom managed package appears to be taking up too many spots in our Apex job queue. Other Salesforce integrations are unable to run because Zoom is queuing too many jobs.
The error message we are getting is: “First error: ZVC:Too many queueable jobs added to the queue: 2”
Current fix is uninstalling the integration, but we need to track registration & attendance. Thanks.