How To Fix CRM_WSC244 - Key fields in read output do not match the generated key structure

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_WSC - WSC: Message Class for web Service Consumption Tool

• Message number: 244

• Message text: Key fields in read output do not match the generated key structure

What causes this issue?

The number of key fields in the read output is not the same as the
number in the generated key structure. Most likely, a field in the read
output is selected as a key field that is above the entry point and
therefore is not part of the generated key structure.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Deselect the key field in the read output that is above the entry point.
You may also need to deselect the key indicator for that field in the
read input and query output.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_WSC244 - Key fields in read output do not match the generated key structure ?

  The SAP error message CRM_WSC244 indicates that there is a mismatch between the key fields in the read output and the expected key structure in the SAP system. This error typically occurs in the context of SAP CRM (Customer Relationship Management) when working with Web Service calls or when accessing data through the Web Service Connector (WSC).
  Cause:
  
  Mismatch in Key Fields: The key fields returned in the output do not match the key structure defined in the service interface. This can happen if the data model has changed, or if there are inconsistencies in the data being processed.
  Incorrect Configuration: The service interface may not be correctly configured to handle the expected key fields.
  Data Integrity Issues: There may be issues with the underlying data, such as missing or incorrect key values.
  Versioning Issues: If there are multiple versions of the service or changes in the data model, the expected key structure may not align with the actual data being returned.
  
  Solution:
  
  Check Service Interface Configuration: Review the configuration of the service interface in the SAP system to ensure that it is correctly set up to handle the expected key fields.
  Validate Data Model: Ensure that the data model has not changed in a way that would affect the key fields. If there have been changes, update the service interface accordingly.
  Inspect Data: Check the data being processed to ensure that all required key fields are present and correctly populated. Look for any inconsistencies or missing values.
  Debugging: Use debugging tools to trace the execution of the service call and identify where the mismatch occurs. This can help pinpoint the exact cause of the error.
  Update or Regenerate Service: If the service interface has changed, consider regenerating the service or updating the relevant components to align with the current data model.
  Consult Documentation: Review SAP documentation or notes related to the specific version of the CRM system you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CRM_WSC244 error. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to explore the service interfaces and function modules involved.
  Community Forums: Engage with SAP community forums or support channels to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the cause of the CRM_WSC244 error and implement a solution to resolve it.