Consolidation versions were created too early or wrongly.
Is it possible to delete a version?
S4/HANA Cloud 2008
There is no standard tool to delete a consolidation version.
The reason is that it represents a significant risk, as the Versions are widely used and most master data are version-dependent.
Suggestion is to rename the Version such as "Do not use" and try to remove/skip it from master data transports to productive system.
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SAP S/4HANA Cloud all versions