Error KI235 - Cost Element is Category 12

Hi experts, help me please:

I'm with erro in T-CODE KO88:

Account 31111002 requires an assignment to a CO object

Message no. KI235

Diagnosis

You have not defined a CO account assignment for an account that is relevant to cost accounting.

System Response

Account 31111002 is defined as a cost element.
This means that you must always specify a CO account assignment.

Procedure

Enter one of the following CO account assignments

• Order

• Cost center / cost center/ activity type

• Sales order item (for a project or cost relevant)

• Project / WBS element

• Cost object (Process manufacturing)

• Network/ Network activities

• Business process

• Profitability segment

• Real estate object

The posting row affected is 0000000001, account 31111002.

In Order T-CODE KO02, Profit Center = 132007.

Settlement Rule = G/L   31111002, 100% FUL.

Att,

Cristiane Magalhaes