Error creating items in database

I'm trying to let the user fill out a form that will add items to the database and then list the items so the user can review the item they just added.

I followed this tutorial:

However, how mine differentiates is mine allows multiple fields to be entered for each item (the items are are actually logged hours for work, so they have a field with the description of what they did and where they worked, exe).
Here's what it is currently:

So my problem is whenever I try and add an item I get an error and nothing is added to the database.

When I tested the create service here is the message I got:
"description":"Option 'Secure collection with session token' enabled but sessionToken is absent or invalid"

Any help?
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