How To Fix RODPS061 - Paths with cardinality &1 are not supported here

SAP Error Message - Details

• Message type: E = Error

• Message class: RODPS - Operation Data Provider

• Message number: 061

• Message text: Paths with cardinality &1 are not supported here

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RODPS061 - Paths with cardinality &1 are not supported here ?

  The SAP error message RODPS061, which states "Paths with cardinality &1 are not supported here," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with data modeling, particularly in the context of data flows or data sources that involve complex relationships.
  Cause:
  The error is related to the cardinality of relationships in your data model. Cardinality refers to the uniqueness of data in a relationship between two entities. The error message indicates that the system has encountered a relationship (path) with a cardinality that is not supported in the current context. This often happens when:
  
  Many-to-Many Relationships: The model may have a many-to-many relationship that is not supported in certain contexts.
  Incorrect Data Model Design: The data model may not be designed correctly, leading to unsupported paths.
  Incompatible Data Sources: The data sources being used may not be compatible with the expected cardinality in the model.
  
  Solution:
  To resolve the RODPS061 error, consider the following steps:
  
  
  Review Data Model: Check the data model for any many-to-many relationships. If found, consider redesigning the model to use a bridge table or a different approach that supports one-to-many relationships.
  
  
  Adjust Cardinality: If possible, adjust the cardinality of the relationships in your data model to ensure they are compatible with the requirements of the SAP system.
  
  
  Check Data Sources: Ensure that the data sources being used are compatible with the cardinality expected in the model. If necessary, modify the data sources or the way they are integrated.
  
  
  Use Aggregates: If applicable, consider using aggregates to simplify the data model and avoid complex relationships that lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for specific guidance related to your version of SAP BW or HANA, as there may be version-specific considerations.
  
  
  Testing: After making changes, test the data model to ensure that the error is resolved and that the data flows correctly.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  Data Modeling Best Practices: Familiarize yourself with best practices in data modeling within SAP BW or HANA to avoid such issues in the future.
  
  By following these steps, you should be able to identify the cause of the RODPS061 error and implement a solution to resolve it.