Journal entry is active; ABC delta versions cannot be used anymore

What causes this issue?

You are trying to create an ABC delta version while the journal entry is
active.

System Response

You can't use ABC delta versions anymore because the concept of parallel
valuation is not compatible with the G/L ledger concept.

How to fix this error?

Please use version 000 instead.

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.