How To Fix OL303 - Attribute type '&' is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 303

• Message text: Attribute type '&' is not defined

What causes this issue?

Internal program error:
The function module 'SWC_CONT_EDIT_DEF' was called by another component
incorrectly parameterized.

How to fix this error?

Please report this error to SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OL303 - Attribute type '&' is not defined ?

  The SAP error message OL303, which states "Attribute type '&' is not defined," typically occurs in the context of SAP's data modeling or when working with characteristics in the SAP BW (Business Warehouse) or SAP HANA environments. This error indicates that the system is trying to reference an attribute type that has not been defined or is not recognized in the current context.
  Causes:
  
  Missing Attribute Definition: The attribute type that is being referenced in your query or data model has not been defined in the system.
  Typographical Error: There may be a typo in the attribute name or type being referenced.
  Data Model Changes: If there have been recent changes to the data model, such as deletions or modifications of attributes, this could lead to the error.
  Transport Issues: If the data model or attributes were transported from one system to another (e.g., from development to production), there may have been issues during the transport process.
  
  Solutions:
  
  Check Attribute Definition: Verify that the attribute type referenced in the error message is defined in the system. You can do this by navigating to the relevant data model or characteristic in the SAP GUI.
  Correct Typographical Errors: Review the code or query where the error is occurring to ensure that there are no typos in the attribute name.
  Recreate or Redefine Attributes: If the attribute is missing, you may need to create it again or redefine it in the data model.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate why the attribute is missing.
  Activate Objects: Sometimes, objects need to be activated after changes. Ensure that all relevant objects are activated in the system.
  Consult Documentation: Review any relevant documentation or notes from SAP regarding the specific attribute type or data model you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the OL303 error.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) or SE11 (Data Dictionary) to investigate the data model and attributes.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.