Number of key figures exceeds CBF limit (=20); see SAP Note 484144

What causes this issue?

In case you are using characteristics-based forecasting (CBF), the
system can handle maximum 20 key figures in one session. For more
information, see SAP Note 484144.

System Response

If you try to read data for more than 20 key figures, the system does
not return any data.

How to fix this error?

Reduce the number of key figures in your DP planning book, or in your
application.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.