I'm experiencing a serious, ongoing issue with ManyChat automations on Facebook, and I'm hoping someone here has encountered something similar or knows how to resolve it.
My automations are triggered when someone comments a keyword on my Facebook Reels. The problem is that a significant percentage of the automated messages aren't reaching recipients correctly.
Here's what I've discovered:
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Some recipients see a completely blank message bubble, even though the full message (including text and buttons) appears correctly in my Facebook Messenger and Meta Business Suite.
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Other recipients don't appear to receive anything at all.
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The issue is intermittent. Some followers and non-followers receive everything correctly, while others don't.
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Both messages in the automation are affected, not just the initial private reply.
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One follow-up message showed 142 sent but only 38.7% delivered, despite being triggered when someone actively clicked the button in the first message.
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Manual messages sent to affected recipients have been delivered successfully.
I've already reviewed the automations, refreshed permissions, and tested the messaging. I've also simplified and consolidated my automations, but I haven't yet established whether that improves delivery.
At one point, my overall successful message delivery rate was as low as 8%. This is affecting hundreds of messages and causing people who requested information to think I'm ignoring them.
I've updated my ManyChat support ticket and submitted a bug report to Facebook, but I still don't have an explanation or resolution.
Has anyone experienced this, particularly the blank message bubbles or failed delivery of follow-up messages after someone clicks a button?
I'd especially appreciate insight into whether this is a Meta Messenger API issue, an account-level restriction, or something else that could explain the inconsistent behavior.
Any troubleshooting suggestions or help getting this investigated by the appropriate technical team would be greatly appreciated!