How To Fix CRM_WSC224 - Number of key fields in read input is not the same as in read output

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 224

• Message text: Number of key fields in read input is not the same as in read output

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_WSC224 - Number of key fields in read input is not the same as in read output ?

  The SAP error message CRM_WSC224 indicates that there is a mismatch between the number of key fields in the input data and the number of key fields in the output data when performing a read operation in the SAP CRM system. This typically occurs in scenarios where a function module or method is called to read data, and the expected structure of the input does not match the structure of the output.
  Cause:
  
  
  Mismatch in Key Fields: The primary cause of this error is that the number of key fields provided in the input does not match the number of key fields expected in the output. This can happen if:
  
  The input structure has been modified (e.g., additional fields added or removed).
  The output structure has changed, leading to a different number of key fields being expected.
  The wrong function module or method is being called that does not align with the expected data structure.
  
  
  
  Incorrect Data Mapping: If the data being passed to the function is not correctly mapped to the expected input structure, this error can occur.
  
  
  Custom Development Issues: If there are custom enhancements or modifications in the CRM system, they may lead to discrepancies in the expected input/output structures.
  
  
  Solution:
  
  
  Check Input and Output Structures: Review the function module or method being called to ensure that the input and output structures are correctly defined. Compare the number of key fields in both structures.
  
  
  Adjust Input Data: Ensure that the input data being passed to the function matches the expected structure. This may involve adding or removing fields as necessary.
  
  
  Review Custom Code: If there are any custom developments, check the code to ensure that it adheres to the expected input/output structures. Make necessary adjustments to align with the standard SAP structures.
  
  
  Debugging: Use the SAP debugger to step through the code and identify where the mismatch occurs. This can help pinpoint the exact location and reason for the error.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific function module or method to understand the expected input and output parameters.
  
  
  Testing: After making changes, perform thorough testing to ensure that the issue is resolved and that the function behaves as expected.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with transaction codes related to CRM data management, such as CRMD_ORDER for order management, to better understand the context of the error.
  
  By following these steps, you should be able to identify the cause of the CRM_WSC224 error and implement a solution to resolve it.