Auto-Update Excel Null Error

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Posted on by BW145

Hi, I get the following Error when trying to update an excel file. I get the following Error at the Update a row step.

Error Message.png

This is what my flow looks like. The Excel Script is to create a table which it successfully does and the variable created is the name of the table created.

Flow 1.png

Flow 2.png

I have tried these options available as well as just value by removing body.

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SudeepGhatakNZ 14,396 Most Valuable Professional on at

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Looks like your "List rows" isn't returning any data and you are trying to reference a value in the array.

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Michael E. Gernaey 53,963 Moderator on at

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Hi @BW145

Body/Value is right but its probably empty.

Change the Mode of Power Automate back to Classic (top right corner) from New

Then go to Details of the Flow

Pick a flow that failed

Pick the List Rows Action

Look at the Raw Output and Output (its all together)

Its probably [] meaning empty

So you should place a Condition before that checks the length(Dynamics Value output of List Rows)

then say is greater than

0

Then in the Yes side add your code.

If I have helped you, I would really appreciate if you please Mark my answer as Resolved/Answered, and give it a thumbs up, so it can help others

Cheers

Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey

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BW145 17 on at

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I have the following settings on for the list rows actions. Is this not correct?

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Michael E. Gernaey 53,963 Moderator on at

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@BW145

We won't know if what you are pointing at has a Table or its the right table etc.

That's why i want you to look at the Run itself (per my other response)

If I have helped you, I would really appreciate if you please Mark my answer as Resolved/Answered, and give it a thumbs up, so it can help others

Cheers

Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey

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SudeepGhatakNZ 14,396 Most Valuable Professional on at

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Table actually expects an ID not name. Try this approach

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BW145 17 on at

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I've tried this by setting the variable to be the Table ID, still does not work

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SudeepGhatakNZ 14,396 Most Valuable Professional on at

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What error do you get? Can you a post a screenshot of the flow?

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BW145 17 on at

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I get the following error message.
Below is a screenshot of my flow

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SudeepGhatakNZ 14,396 Most Valuable Professional on at

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Your Apply to each loop must not be referring the correct field. The following field is the one you should be referring to

outputs('List_rows_present_in_a_table')?['body/value']

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BW145 17 on at

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I managed to fix the issue by using add a row instead. This isn't exactly what I wanted but was the closest solution I could find

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