Results analysis key & is used for WIP calculation

What causes this issue?

<DS:GLOS.results_analysis_key>Results analysis key</> &V1& cannot be
used in <DS:GLOS.results_analysis> results analysis</> because it
already contains the control parameters for the calculation of
<GL:work_in_process>work in process</> (<DS:GLOS.WIP_calculation>WIP
calculation</>).

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?

Maintain results analysis key &V1& via "WIP calculation" or select
another name for the results analysis key.

Error message extract from SAP system. Copyright SAP SE.