How To Fix CNV_PE291 - Structure (STR) entry missing in knowledge base

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 291

• Message text: Structure (STR) entry missing in knowledge base

What causes this issue?

You want to fill field &V1&-&V2&, however it is not yet defined in the
knowledge base from which worklist structure the structure &V1& shall be
filled.

System Response

Error

How to fix this error?

Go to the knowledge base and maintain the missing entry.

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_PE291 - Structure (STR) entry missing in knowledge base ?

  The SAP error message CNV_PE291 indicates that there is a missing structure (STR) entry in the knowledge base, which is typically related to data migration or conversion processes in SAP systems. This error is often encountered during the execution of a data migration project, particularly when using SAP's tools for data conversion, such as the SAP S/4HANA Migration Cockpit or other data transfer tools.
  Cause:
  
  Missing Structure Definition: The error usually arises when the system is trying to access a structure that has not been defined or is not available in the knowledge base. This can happen if the migration project is not properly set up or if there are missing components in the configuration.
  Incorrect Configuration: If the configuration settings for the data migration are incorrect or incomplete, it may lead to the system being unable to find the necessary structure.
  Version Mismatch: Sometimes, the error can occur due to a mismatch between the version of the migration tool and the version of the SAP system being used.
  
  Solution:
  
  Check Knowledge Base Entries: Verify that the required structure is defined in the knowledge base. You may need to consult the documentation or support resources for the specific migration tool you are using.
  Update Migration Tool: Ensure that you are using the latest version of the migration tool. If there are updates or patches available, apply them to see if the issue is resolved.
  Review Configuration: Go through the configuration settings of your migration project to ensure that all necessary structures are defined and correctly configured.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP Notes often provide fixes or workarounds for known issues.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on your specific system configuration and the context of the error.
  
  Related Information:
  
  SAP Migration Cockpit: This is a tool used for migrating data to SAP S/4HANA. Familiarity with its functionalities and requirements can help in troubleshooting issues like CNV_PE291.
  Data Migration Best Practices: Understanding best practices for data migration can help prevent issues during the migration process. This includes proper planning, testing, and validation of data.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues and found solutions.
  
  By following these steps, you should be able to identify the cause of the CNV_PE291 error and implement a solution to resolve it.