`insert into` Always Fails with “Improper Statement” — Even with Minimal Code

`insert into` Always Fails with “Improper Statement” — Even with Minimal Code

Im develeping my inventory database using ChatGPT   to help me and I´m running into an issue in my scan inventory form script when I try to make a form for logging the scanned items. 

🆘 Zoho Creator: `insert into` Always Fails with “Improper Statement” — Even with Minimal Code

Context:
I'm building an inventory system in Zoho Creator. I have a form called `Scan Inventory` and a second form called `Scan_Log1` where I want to log scans using Deluge.

Setup:
- I'm running a workflow (`update product seen`) in the `Scan Inventory` form
- The workflow is triggered On Success
- I’m using a very basic `insert into` block to write into `Scan_Log1`

Code Example:
insert into Scan_Log1
[
    Scanned_RET = "TEST123";
];

What I’ve Confirmed:
✅ The form link name is exactly `Scan_Log1`  
✅ The field `Scanned_RET` exists in that form and is not Required  
✅ I’ve removed all other fields for testing  
✅ There are no workflows or validations in `Scan_Log1`  
✅ The user has full permissions  
✅ The workflow is correctly running (confirmed with info "This workflow ran")

The Problem:
Despite all this, I consistently get the error:

Improper statement. Error might be due to missing ";" at the end of the line or incomplete expression

...on the `insert into` line, even when it contains just a single hardcoded field-value pair.

What I’ve Tried:
- Rebuilding the form from scratch
- Renaming fields and form
- Creating a fresh test form and inserting into that
- Removing all variables — using only hardcoded strings
- Making all fields optional
- Confirming no hidden required fields or workflows

❓ What could cause `insert into` to fail even with minimal, valid code?

Any ideas or deeper debugging steps appreciated. Thanks in advance!

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