Cost elements are defined for all checked accounts

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The system adopts as standard the CO account assignment objects with the
related cost element in the line items of the checked accounts.
&NOTE&
The adoption of the account assignment objects is also dependent on
various other factors. For example, the following can influence the
adoption of account assignment objects:
Type of posting (for example, down payment posting)
Attributes of the account assignment object (for example, cost elements
of type <NP>11</>, if the object can manage revenue)

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.