The projects are not active in controlling area/fiscal year &/&

What causes this issue?

Project management is not active in the controlling area &V1& you
entered in fiscal year &V2&.

System Response

You cannot therefore plan any networks or network activities.

How to fix this error?

Activate the project management for the specified controlling area in
the Project System implementation guide. You activate the project
management via the control parameters of the controlling area.
<DS:SIMG.SIMG_OLPR_KSTKR>Further Information</>
or
Correct your entry.

Error message extract from SAP system. Copyright SAP SE.