"Object_field" error message on advanced tab field's sidebar

• Type: Bug
• Status: Closed
• Resolution: Duplicate
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Data Engine
• Labels: None

Description
After you create a Strucute and add a field, there is an error on field advanced tab sidebar. 

Steps to Reproduce

1. Go to Content & Data > Web Content > Structures tab;
2. Add a new Structure;
3. Add a new field;
4. Add a new Structure;
5. Go to Advanced tab;
6. See the error.

Expected Result
There should be no "object_field" error on sidebar.

Actual Result
There is an "object_field" error on sidebar advanced tab.
Reproduced In
master: c07678e813a8b10967499828a26726f3a3c2b7d9