I can't see my pdf files - 404 error

Currently I need to have the PDF files that we generate through the emails, available to download from the APP. Checking how it was done, I found an Example APP that was the CRM, this when generating a quote sent an attachment to the email, and stored the file in the Drive.

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clicking it opens the pdf file without problem


which is exactly the same as the one I received by email
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Even how you will see, I customized the file a bit to test and do the one I really need


Now is the problem, because, I brought the table with the data I need, create the mail and store the pdf file EXACTLY in the same place as the quote example, the file type column has the same formula: "CONCATENATE (“ PDF / ” , [ID], “.pdf”) ", I check the drive if the file is stored correctly and there it is.
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The file is generated, and opens in Drive, perfect, but when I am going to request it from the app it gives me error.

Help, I don’t know what I’m doing wrong, if there is another way to consult the PDF file it would be a blessing.
It not only happens to me in this app, in all the others I have the same problem, and yes, I already consulted the address: Save File Archiving | AppSheet Help Center

Thank you very much to all who can help me with this issue that I need to solve

PS: The pdf files do not think more than 300KB
The table has 121 columns
The table has 121 columns
compared to quotes, “Formulario” table is in datasource 2 (I don’t think this influences the error - since, I do the same in the other apps and also give the same error.)

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I have the same problem since yesterday, it worked correctly and in the same way as the partner, the pdf file is created, but it cannot be accessed from the app

Yesterday afternoon it showed the 404 error,

today looks like this: