No statistical key figure groups exist for the entry

What causes this issue?

You have requested possible entries for the statistical key figure
groups. However, no statistical key figure groups have been created
yet in the respective controlling area.

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?

Define statistical key figure groups that meet your planning
requirements, using the functions under the menu item "Master data".

Error message extract from SAP system. Copyright SAP SE.