How To Fix CRM_WSC312 - Root node &2 with BOL name &1 has an empty key structure

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 312

• Message text: Root node &2 with BOL name &1 has an empty key structure

What causes this issue?

Error is raised as the root object has an empty 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?

It might be that fields are marked as key fields, but they do not occur
directly in the root object, but instead in a structure below that is
selected. If this is the case, unselect this structure.

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_WSC312 - Root node &2 with BOL name &1 has an empty key structure ?

  The SAP error message CRM_WSC312 indicates that there is an issue with the Business Object Layer (BOL) in the SAP CRM system. Specifically, the error message states that the root node (indicated by &2) associated with the BOL name (indicated by &1) has an empty key structure. This typically means that the system is trying to access a BOL object that does not have the necessary key fields populated, which is essential for the proper functioning of the BOL framework.
  Causes:
  
  Missing Key Fields: The BOL object may not have the required key fields populated, which can happen if the data was not correctly initialized or if there was an error during data retrieval.
  Incorrect Configuration: There may be a configuration issue in the BOL model or the underlying data model that leads to the absence of key fields.
  Data Inconsistency: The data in the database may be inconsistent or corrupted, leading to the absence of expected key values.
  Programming Errors: Custom code or enhancements that interact with the BOL may not be correctly handling the key fields.
  
  Solutions:
  
  Check Data Initialization: Ensure that the BOL object is properly initialized and that all required key fields are populated. You may need to review the code or process that initializes this object.
  Review Configuration: Check the configuration of the BOL model to ensure that it is set up correctly. This includes verifying that the key fields are defined and mapped correctly.
  Data Consistency Check: Run consistency checks on the relevant database tables to identify and correct any inconsistencies. This may involve using transaction codes like SE11 or SE16 to inspect the data.
  Debugging: If the issue persists, consider debugging the relevant code to trace where the key fields are being set and identify why they are empty.
  Consult Documentation: Review SAP documentation or notes related to the specific BOL object to see if there are known issues or additional configuration steps required.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production issue.
  
  Related Information:
  
  BOL (Business Object Layer): This is a framework in SAP CRM that provides a way to manage business objects and their relationships. Understanding how BOL works can help in troubleshooting issues related to it.
  Transaction Codes: Familiarize yourself with transaction codes like CRMD_ORDER, CRMD_ORDERADM_H, and others that may be relevant to the business objects you are working with.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on similar issues.
  
  By following these steps, you should be able to identify the root cause of the CRM_WSC312 error and implement a solution to resolve it.