Specify either origin or cost center/activity

What causes this issue?

You can assign cost elements to
<GL:line_ID>line IDs</> as follows:
Enter a group of cost elements.
Enter a group of primary cost elements and the origin in the relevant
material master records.
Enter a group of secondary cost elements, a cost center and, if
necessary, an activity type.

System Response

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

How to fix this error?

Check your entries.

Error message extract from SAP system. Copyright SAP SE.