I reached out to SF Support regarding contacts in the 'errored' count for a triggered send. They came back with the error code:

138 - Exceeded Expiration Policy.

The description found here is vague at best.

Does anyone have more details as to why a contact would have that listed as their error code for a triggered send?

  • Thanks for the quick response, I appreciate it!
    – Dave
    Commented Apr 7, 2020 at 13:28

1 Answer 1


This occurs when the subscriber was in the triggeredsend queue for more than 3 days.

The triggeredsend can queue do the following reasons:

  • TS erred causing the job to be stopped and the subscribers to queue, upon restart any subscriber older than 3 days would go to error
  • TS was paused causing subscribers to be queued
  • Send throttling rate set too low to send all queued subscribers within three days. ex. throttle set to 500/hr and 50,000 in queue, any subscriber in queue longer than three days would have this error

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