How To Fix CRM_WSC221 - Field &1 is set as key field in read input but not in query &2 output

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 221

• Message text: Field &1 is set as key field in read input but not in query &2 output

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_WSC221 - Field &1 is set as key field in read input but not in query &2 output ?

  The SAP error message CRM_WSC221 indicates that there is a mismatch between the fields defined in the input of a read operation and the fields returned in the output of a query. Specifically, it means that a field that is marked as a key field in the input is not included in the output of the query.
  Cause:
  
  Field Configuration: The field specified as a key field in the input parameters is not included in the output structure of the query. This can happen if the query was not designed to return that field or if there is a misconfiguration in the data model.
  Data Model Changes: Changes in the underlying data model or the structure of the query might have led to the exclusion of the key field from the output.
  Incorrect Mapping: There might be an issue with how the input and output fields are mapped in the application logic.
  
  Solution:
  
  Check Query Definition: Review the definition of the query (transaction code SE11 for database tables or SE80 for other objects) to ensure that the key field is included in the output structure. If it is missing, you may need to modify the query to include it.
  Adjust Input Parameters: If the key field is not necessary for the output, consider removing it from the input parameters to avoid the error.
  Consult Documentation: Check the documentation for the specific query or function module to understand the expected input and output fields.
  Debugging: If you have access to debugging tools, you can trace the execution of the query to see where the mismatch occurs and identify the root cause.
  SAP Notes: Search for relevant SAP Notes that might address this specific error message or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to investigate the data structures and function modules involved.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists and is critical, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.