Multi Update not working

Trying to setup a Multi Record update.
I created the query to get records.
created the update action and generated boostrap 4 form for this.
The Content gets loaded into the form OK.
Dynamic Event onSuccess also fires when I click save
But the records do not get updated.
I Pull the records from the db based on the 3 select inputs shown in the pic. Seems to work fine because the right records get pulled into the form waiting for update. Some how the update does not work. What I’m I doing wrong?

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