PDF reader keeps failing with Gmail

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Hi. I am a complete noob, but determined to figure this out.

I receive emails from a specific sender, often with multiple pdf’s attached - the pdf’s have random names, cannot define them upfront.

I want to extract relevant data from the PDF and populate a Google Sheet with the results.

My flow keeps failing at the PDF reader step I followed the steps as suggested by the chatbot, but still no luck.

Here is a link to my flow:

https://www.gumloop.com/pipeline?workbook_id=1rN92MWmVP1UouDQDbDnCG

Any help will be much appreciated.

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Hey @rudster007! If you’re reporting an issue with a flow or an error in a run, please include the run link and make sure it’s shareable so we can take a look.

  1. Find your run link on the history page. Format: https://www.gumloop.com/pipeline?run_id={{your_run_id}}&workbook_id={{workbook_id}}

  2. Make it shareable by clicking “Share” → ‘Anyone with the link can view’ in the top-left corner of the flow screen.
    GIF guide

  3. Provide details about the issue—more context helps us troubleshoot faster.

You can find your run history here: https://www.gumloop.com/history

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Hey @rudster007 – The PDF Reader might be failing because the emails might not have PDF attachments. Can you share the run link so I can view the inputs/outputs please? You can find the run link on the https://www.gumloop.com/history page or through the Previous Runs tab on the canvas.

I do so see another error on the workbook:

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image970×738 53.3 KB

Essentially you’re passing in a List of List ie. a nested list in the Google Sheet Writer node, it however can only accept a List. In order to fix this I’d recommend using a subflow. Example setup here: https://www.gumloop.com/pipeline?workbook_id=t6nQd8DVacGPUD3jjzqUBC

Also since you mentioned you’re new to the platform I’d recommend going through Gumloop 101 here :slight_smile:

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Hi. Thanks. It’s definitely finding the PDF’s, but not extracting the data.

Here is the link requested:

https://www.gumloop.com/pipeline?run_id=PYAUiBsRzeGHS9URU9vtcW&workbook_id=1rN92MWmVP1UouDQDbDnCG

I’ll follow tutorials in the interim, have done a few already and also try subflow

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