@Nunya1 I've noticed that Power Automate can be a bit buggy when using the New Designer with the MS Form trigger. Can you try editing your flow in the Classic Designer.
Also, can you move your Get File content action AFTER you've created the file. Currently you are getting the content before you've created the file.

You find these YT Tutorial helpful:
How to Get a Microsoft Form RSVP Response into a SharePoint List
I cover the following in this video tutorial:
✅ How to get a Microsoft Form Response into SharePoint
✅ How to get a Microsoft Form ID
✅ How to get a Microsoft Form response
✅ How to Build a Microsoft Form with Conditional Fields
✅ How to used Branching in Microsoft Forms
✅ How to format Microsoft Form multiple choice responses for a SharePoint multi-choice column
✅ How to parse a Microsoft Form multiple choice response as string of text
✅ How to convert a text response to a number
✅ How to use the Switch action
✅ How to create a custom email confirmation for a Microsoft Form submission
✅ How to Create a Custom View in a SharePoint list
✅ How to use the Compose Action
✅ How to write Power Automate Expressions
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3 Mistakes YOU 🫵 are Making with the Apply to Each Action in your Microsoft Power Automate Flow
In this video tutorial I’ll go over how to avoid these common mistakes when using the Apply to Each action in a Power Automate flow:
1️⃣ Looping through a Single Item
2️⃣ Creating Unnecessary Nested Loops
3️⃣ Looping through an Unfiltered Array
At the end of the video I share a few helpful insights when it comes to using the Apply to Each action in your flow.
I'll also cover:
✅ How to avoid the Apply to Each action with a single item array
✅ How to use the item() function to access dynamic content in an array
✅ How to prevent unnecessary nested Apply to Each action loops
✅ How to use the Select action
✅ How to convert an array to a string with the Select action
✅How to use the Filter Query field
✅ How to count the number of items in an array
✅ How to use a condition control
✅ How to use the concurrency control
✅ How to set a top count
✅ How to use Compose actions for troubleshooting
Hope this helps!