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I have built a Zap that can grab a Trello attachment (jpeg) when there’s new activity on a card. 

However, I have noticed that it throws a “file not found” error when there is already an attachment on the card (in this case, a PDF). 

Is there any way to help the Zap understand that it should look for the new image attachment, ignoring the attachment that’s already there?

Hi there @ZipZap,

Welcome to the Community! 🎉

Before we dig deeper into this, would you mind sharing a detailed screenshot of how your Zap is configured? Also, please share a screenshot of the “Action” section of the action steps that shows all of its fields. Like so:

46dd6c0979e3d815d621b8da43084ef1.png
(view larger)

Additionally, please share a screenshot of the DATA IN/OUT of the trigger and action step in the Zap History.

Please don't include personal information in the screenshot, or be sure blur out any personal information.

Thanks!