Message type: E = Error
Message class:  CNV_20306_CHECK - Message Class for package CNV_20306_CHECK 
Message number: 016
Message text: Controlling area merge into target &1 is not supported
A merge of controlling areas was detected. If you want to merge
controlling areas you have to use the transformation solution
Controlling Area Merge.
You cannot run the transformation solution Controlling Area Rename
because certain prerequisites have not been met. Please change your
mapping accordingly.
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.
The SAP error message CNV_20306_CHECK016 indicates that there is an issue with merging controlling areas during a data migration or conversion process. This error typically arises in the context of SAP S/4HANA migrations or when using the SAP Landscape Transformation (SLT) tool.
Cause: The error message suggests that the system has detected an attempt to merge controlling areas that are not compatible or supported. This can occur due to several reasons, including: Incompatible Controlling Areas: The controlling areas being merged may have different settings, such as different currencies, fiscal year variants, or other configuration differences that prevent them from being merged. Data Inconsistencies: There may be inconsistencies in the data associated with the controlling areas, such as different cost center structures or different profit center assignments.
Configuration Issues: The configuration of the controlling areas may not align with the requirements for merging, such as different allocation methods or different settings for internal orders.
Solution: To resolve the
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CNV_20306_CHECK018 No controlling area merge found
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