I’m encountering an issue with a Messenger automation that was working earlier today but started failing later in the day.
How the Automation Works
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The automation sends individual job vacancy messages.
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The number of messages varies (from 0 to any number).
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Job data is stored in a Google Sheet.
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Each row has a static identifier (not a formula), such as:
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ABC-1 -
ABC-2 -
ABC-3, etc.
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The automation looks up and sends jobs sequentially based on these identifiers.
Message Timing Setup
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Each job listing is sent as a separate message.
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There is a 3-second delay between each message.
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Every 4th message has an additional “smart delay” of 10 seconds.
What Changed / What’s Going Wrong
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Earlier today, the automation ran without any issues.
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Later, I asked two friends to test the automation using their own Facebook accounts.
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During testing:
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The automation consistently stops after sending only 4 job listings.
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It should send 6 job listings, but it never reaches the last two.
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The failure happens after 6 consecutive messages are expected, but only 4 are delivered.
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I refreshed permissions, but the issue persists.
Previous Observations
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In the past, I noticed that:
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Sending too many consecutive messages could cause the flow to stop midway.
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Adding smart delays usually resolved this issue.
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Previously:
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Without smart delays → the flow would stop.
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With smart delays → the flow could send up to ~20 messages successfully.
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This makes today’s behavior confusing because:
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Each message already has a 3-second delay
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Every 4th message has a 10-second smart delay
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Questions
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Is there a daily or session-based limit on the number of Messenger automation messages?
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Is Facebook/Messenger rate-limiting or throttling the flow due to:
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Consecutive messages?
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Testing with multiple user accounts?
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Recent activity volume?
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Could this be a Messenger platform enforcement rather than an automation logic issue?
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How do I fix this?