Skip to Content
Skip to Search
Home

No matching results

Try a different search query.

Search Unavailable

We are making updates to our Search system right now. Please try again later.

Sign In Account
Oracle Account

Account

Help

Sign Out
Oracle Account

Manage your account and access personalized content. Sign up for an Oracle Account

Sign in to my Account

Sign in to Cloud

Access your cloud dashboard, manage orders, and more. Free Cloud Platform Trial

Sign in to Cloud

Database Error Messages

Release

Updated

Oct 13, 2025

JZN-00301

Projection specification must be an object

Cause

A projection specification was an array or JavaScript Object Notation (JSON) scalar value. A projection specification must be an object.

Action

Ensure that the specification root is an object node.