How To Fix CNV_PE_GEN087 - Data model content potentially unneeded, but storage active for area &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 087

• Message text: Data model content potentially unneeded, but storage active for area &2

What causes this issue?

In the transformation rules of the transfer method &V1&, no data model
parameter of type table is present as input parameter in the signature.
For this transfer method - during the build up of the transfer list - it
is not required to import the data model content of each worklist item
from database table CNV_PE_CLU.
To make the data model content available for import it must be stored in
table CNV_PE_CLU during the creation of the worklist. This is indicated
by the STORE_DATAMODEL indicator on area level. This storage is not
required <ZU>for this transfer method </>as potentially stored data is
not imported anyway into any transformation rule of the transfer method.
Nevertheless it is possible that further transfer methods exist in area
&V2&, to which this transfer method also belongs to. These further
transfer methods may in fact need an import of the data model content
during the build up of the transfer list.

System Response

It is possible that table CNV_PE_CLU is direclty accessed within the
source code of a transformation rule or in any customer programs. This
cannot be checked automatically. Therefore the storage of data model
content is not deactivated, if it has ever been activated before.
Deactivating the storage of the data model (on area level) and the
import of the data model will however decrease the processing time.
The storage of data model content is active in area &V2&, despite of the
fact that the data model content might not be needed.

How to fix this error?

If you are unsatisfied with the performance of <ZK>build up of worklist
</> and <ZK>build up of the transfer list</>, check whether deactivating
STORE_DATAMODEL in area &V2& is possible.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_GEN087 - Data model content potentially unneeded, but storage active for area &2 ?

  The SAP error message CNV_PE_GEN087 indicates that there is data model content that may be unnecessary, but the storage for that content is still active in the specified area. This message typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
  Cause:
  
  Unnecessary Data Model Content: The error suggests that there are elements in the data model that are not being utilized or are redundant. This can happen if certain data structures or fields were created but are not being used in the current context.
  Active Storage: The storage for these potentially unneeded data elements is still active, meaning that the system is still reserving resources for them, which can lead to inefficiencies.
  
  Solution:
  
  Review Data Model: Analyze the data model to identify which elements are indeed unneeded. This may involve checking the usage of various fields and structures in the context of your data migration or conversion project.
  Deactivate Unused Elements: If certain elements are confirmed to be unnecessary, you can deactivate or remove them from the data model. This may involve adjusting the configuration settings in the SAP system.
  Consult Documentation: Refer to SAP documentation or guidelines related to the specific data migration or conversion process you are undertaking. This can provide insights into best practices for managing data models.
  Testing: After making changes, conduct thorough testing to ensure that the removal or deactivation of these elements does not adversely affect the data migration process or the integrity of the data.
  Consult SAP Support: If you are unsure about which elements can be safely removed or if the issue persists, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Data Migration Tools: Familiarize yourself with the specific SAP tools you are using for data migration (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have specific guidelines for managing data models.
  Performance Considerations: Keeping unnecessary data model content can lead to performance issues, so it is advisable to regularly review and optimize your data models.
  Documentation and Logs: Check the logs generated during the migration process for additional context on the error message and any related warnings or errors.
  
  By addressing the underlying cause of the CNV_PE_GEN087 message, you can optimize your data model and improve the efficiency of your data migration or conversion efforts.