Writeback Automation Fails with "The required inputs were not received" Error (Variables are correctly set)

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Hi everyone,

I'm trying to set up a writeback automation in Qlik Cloud that takes user selections and writes a comment to a separate data store (like a Google Sheet or SharePoint list). However, I'm encountering the following issue:

"The required inputs were not received."

Here's my current setup:

• I have input fields bound to variables (e.g. vComment, vID, ...) that populate correctly based on user selection. The variables are dynamically updated when a row is selected in a Qlik table.

• I created a button that triggers the automation. I enabled "Include selections" and "Execute in triggered mode."

• In the automation, I use a "Copy Inputs" block to receive the variable values.

• However, the automation fails immediately with the error above and shows no logs or steps executed.

What I’ve tried:

• Replacing dynamic expressions like =IDwith intermediary variables (vID2) and copying them into static ones (vID) using "Set Variable" actions before triggering the automation.

• Ensured the button is correctly configured to execute the automation and that my selections yield a single row.

Additional Information:

• Other automations (e.g. reloading apps) work fine.

• The app is published in Qlik Cloud.

• I'm following this video https://www.youtube.com/watch?v=hYER2nGKctM&ab_channel=Qlik and I'm getting the error half way when I try to update (around 9min30 sec in the video).
• Even with only these blocks, I get the error
  

Has anyone faced this before or knows how to fix the “required inputs not received” error when using dynamic variables and selections?

Thanks in advance! 

#Qlik Application Automation  

@AfeefaTk 
@PietMichielRappelet