How To Fix OST_BSDM027 - Data type not supported; element &1 must be either a structure or table

SAP Error Message - Details

• Message type: E = Error

• Message class: OST_BSDM - Web Service BOL Service Data Management

• Message number: 027

• Message text: Data type not supported; element &1 must be either a structure or table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OST_BSDM027 - Data type not supported; element &1 must be either a structure or table ?

  The SAP error message OST_BSDM027 indicates that there is an issue with the data type being used in a Business Object (BO) or a Business Service Definition (BSD). Specifically, the error states that the element specified (denoted by &1) must be either a structure or a table, but the data type provided does not meet this requirement.
  Cause:
  
  Incorrect Data Type: The element in question is defined with a data type that is neither a structure nor a table. This could happen if a primitive data type (like a string, integer, etc.) is mistakenly used where a complex type is expected.
  Modeling Error: There may be a modeling error in the Business Object or Service Definition where the data types were not correctly defined or mapped.
  Incompatibility: The data type being used may not be compatible with the expected input/output of the function or method being called.
  
  Solution:
  
  
  Check Data Type Definition: Review the definition of the element that is causing the error. Ensure that it is defined as a structure or a table. If it is currently defined as a primitive type, change it to a structure or table as appropriate.
  
  
  Modify the Business Object/Service: If you have access to the Business Object or Service Definition, modify the element to ensure it meets the required data type specifications. This may involve:
  
  Creating a new structure or table type if one does not exist.
  Updating the element's data type to reference the correct structure or table.
  
  
  
  Validate the Model: After making changes, validate the Business Object or Service Definition to ensure that there are no other errors and that the model is consistent.
  
  
  Testing: Once the changes are made, test the functionality that was previously causing the error to ensure that it now works as expected.
  
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal or specific documentation related to Business Object Modeling and Service Definitions for more detailed guidelines on data types.
  Transaction Codes: You may use transaction codes like SWO1 (Business Object Builder) or SE11 (Data Dictionary) to check and modify the definitions.
  Community Forums: If you continue to face issues, consider reaching out to SAP community forums or support channels for additional assistance.
  
  By following these steps, you should be able to resolve the OST_BSDM027 error and ensure that your Business Object or Service Definition is correctly configured.