How To Fix MODEL018 - Attribute '&1' / Version &2 changed

SAP Error Message - Details

• Message type: E = Error

• Message class: MODEL - Modeling

• Message number: 018

• Message text: Attribute '&1' / Version &2 changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MODEL018 - Attribute '&1' / Version &2 changed ?

  The SAP error message MODEL018 indicates that an attribute in a model has been changed, which can affect the consistency and integrity of the data in the model. This message typically arises in the context of SAP BW (Business Warehouse) or SAP HANA modeling, where attributes of InfoObjects or data models are modified.
  Cause:
  The error occurs when:
  
  An attribute of a characteristic (InfoObject) has been modified (e.g., its data type, length, or properties).
  The version of the model being used is not aligned with the current state of the InfoObject or attribute.
  There may be inconsistencies between the data model and the underlying data source due to changes made in the InfoObject.
  
  Solution:
  To resolve the MODEL018 error, you can take the following steps:
  
  
  Check the Attribute Changes:
  
  Review the changes made to the attribute specified in the error message. Ensure that the changes are intentional and necessary.
  
  
  
  Update the Model:
  
  If the attribute has been changed, you may need to update the data model to reflect these changes. This can involve:
  
  Refreshing the model.
  Rebuilding the model if necessary.
  Adjusting any dependent objects or queries that rely on the modified attribute.
  
  
  
  
  
  Activate the Model:
  
  After making the necessary adjustments, ensure that the model is activated. In SAP BW, this can be done through the Data Warehousing Workbench.
  
  
  
  Check for Dependencies:
  
  Investigate if there are any dependent objects (like queries, transformations, or data flows) that need to be adjusted or reactivated due to the changes in the attribute.
  
  
  
  Test the Model:
  
  After making the changes and activating the model, run tests to ensure that the model behaves as expected and that the error no longer appears.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or support resources for further guidance on handling model changes and related error messages.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to MODEL018 or attribute changes.
  Version Management: Understand how version management works in your SAP environment, as it can impact how changes are handled.
  Data Consistency: Always ensure that changes to attributes are well-documented and communicated to all stakeholders to maintain data consistency across the system.
  
  By following these steps, you should be able to resolve the MODEL018 error and ensure that your SAP model is functioning correctly.