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Failed action consumed 2 tasks?


Your Task History ID
Please help me understand, I'm sending email to Aweber and I see that those failed action to Aweber consumes 2 tasks.
There are 2 types of errors.
Error #1
Error Status: 400
Error Message: email: Email address blocked. Please refer to https://help.aweber.com/hc/en-us/articles/204029356 .
Error Type: WebServiceError

Error #2
Error Status: 400
Error Message: email: Subscriber already subscribed.
Error Type: WebServiceError

The strange thing is that sometimes Error #1 will consume one task, and sometimes consume TWO tasks.
It happens to Error #2 too, where it sometimes consume one task and sometimes TWO tasks.

So how many tasks is supposed to be consumed?


Staff member
Hi @nkthen,

Based on our initial understanding, we can see that you have set the Auto Re-Execution attempts to 1. This means that whenever a step fails to execute, Pabbly will automatically attempt to re-execute that step once more. Upon this re-execution, the said step could either execute successfully or fail again. In both scenarios, 2 tasks will be consumed: one for the original execution and one for the re-execution.


So what I'll do is to set to zero attempts, which will only run one task, if it fails, it will not redo, right? But the question is why some of the failed workflow consumed one task and then two tasks. It's inconsistent.