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Error - The 'from' property value in the 'select' action inputs is of type 'Null'.

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Posted on by CU13030901-0

Encountering the below error while passing parameters from power bi to sharepoint via power automate flow.
Error - The 'from' property value in the 'select' action inputs is of type 'Null'. The value must be an array.
It behavior is quite weird as the same flow ran in the morning where I didn't change anything.
I tried the same flow without changing the parameter value, just changed my databricks notebook in 2nd flow and 1st flow failed.
Please assist me with this.

power automate - flow1.png

parameter .png

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Ellis Karim 12,163 Super User 2026 Season 1 on at

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@CU13030901-0,

Thanks for the screenshots. According to the error message, the value in the From property of the Select action is null (i.e. it has no value).

To help further, please show us the data (and expression, if any) that you are using in the From property of the Select action. Don't show any sensitive data.

Add can add Compose and include the data before the Scope, run the flow, and examine the runtime output.

Ellis Karim
elliskarim.com | LinkedIn | Bluesky
If this solved your issue, please mark it as ✅ Accepted Answer. If it helped, feel free to give it a 🩷 Like!

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DP_Prabh 381 on at

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Hi @CU13030901-0,

Cause:
The Select action expects an array, but it received null.

Fix:
Use coalesce() so null becomes an empty array.

Example:

coalesce(body('PreviousStep'), array())

This ensures Select always receives an array and prevents the error.
I hope this works for you!

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