Attachment in power apps canvas empty attachment facing below erro

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Posted on by nithingaddam777

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Building Power Apps

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wolenberg_ 1,476 Super User 2026 Season 1 on at

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Hey @nithingaddam777 ,

I think you don't need to create an IF statement to verify if you have attachments or not, you are using the Submit Function, so the only thing you need to do it is :
Submit(FormName)
However, if the attachments got some file inside, the files must to be uploaded to your list, otherwise there is no attachments, the column have to be with blank content, so no need additional check to upload an empty file.

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nithingaddam777 8 on at

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Here in qestion i didnt mention any form:

The following are the points which we are facing error with attachment after submitting the app we are facing the issue on selecting 3rd Question as ‘No’ “expecting string but got Null”.
The below Screenshot is on page 3rd question

Below one is for Attachment Control if selected ‘yes’ only attachment will be visible

Now, the issue is with selecting ‘No’ dropdown expected string but Null even if put any blank condition its not satisfying the conditions.

Feedback (Screen) >> Submit (button)>> Onselect

Onselect of Submit button where the highlighted is code we attached for attachment

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wolenberg_ 1,476 Super User 2026 Season 1 on at

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The issue it was inside the Power Automate Flow triggered by some page or button action,
"ProductContract-xx-xx-xx.Run) , you must to create a if statement inside this trigger to avoid this message error.

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nithingaddam777 8 on at

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Thankyou Wolenberg,

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wolenberg_ 1,476 Super User 2026 Season 1 on at

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In this case, you can create a conditional before send the email,
Using the Length you can check if the content has value inside the variable, so you have 2 options send with attachment and without him.
Another step still mandatory, it is put the conditional as well inside the Power Apps.
Like : If(dropDownAttachment.Selected = "No" , ProductContract-xx-xx-xx.Run("No Attachment"," ").
You just have to put something to initialize the power automate flow.

Good luck with this.

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nithingaddam777 8 on at

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nithingaddam777 8 on at

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