How To Fix DMWB_MSG070 - The link area contains an invalid relationship class

SAP Error Message - Details

• Message type: E = Error

• Message class: DMWB_MSG - Messages of Document Modeling Workbench

• Message number: 070

• Message text: The link area contains an invalid relationship class

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMWB_MSG070 - The link area contains an invalid relationship class ?

  The SAP error message DMWB_MSG070 ("The link area contains an invalid relationship class") typically occurs in the context of data modeling or when working with the Data Warehousing Workbench (DWB) in SAP BW (Business Warehouse). This error indicates that there is an issue with the relationships defined in the data model, particularly in the link area of a data model or InfoObject.
  Causes:
  
  Invalid Relationship Definition: The relationship class defined in the link area may not be valid or may not exist in the system.
  Inconsistent Data Model: There may be inconsistencies in the data model, such as missing or incorrectly defined InfoObjects or attributes.
  Transport Issues: If the data model was transported from another system, there may be issues with the transport that led to missing or invalid relationships.
  Version Compatibility: The error may arise if there are compatibility issues between different versions of SAP BW or if certain components are not updated.
  
  Solutions:
  
  Check Relationship Definitions: Review the relationships defined in the link area. Ensure that all relationship classes are correctly defined and exist in the system.
  Validate Data Model: Use the validation tools available in the Data Warehousing Workbench to check for inconsistencies in the data model. Correct any issues that are identified.
  Recreate Relationships: If a specific relationship is causing the issue, consider deleting and recreating it to ensure it is correctly defined.
  Transport Check: If the issue arose after a transport, check the transport logs for any errors or warnings. You may need to re-transport the objects or manually correct any inconsistencies.
  System Update: Ensure that your SAP BW system is up to date with the latest patches and updates, as this may resolve compatibility issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to DMWB_MSG070 for any specific fixes or recommendations provided by SAP.
  Documentation: Refer to the SAP BW documentation for guidelines on defining relationships and managing data models.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.