How To Fix RS_HCPR_MODEL126 - Open ODS View '&1' not allowed (because joins exist)

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 126

• Message text: Open ODS View '&1' not allowed (because joins exist)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_HCPR_MODEL126 - Open ODS View '&1' not allowed (because joins exist) ?

  The SAP error message RS_HCPR_MODEL126 indicates that there is an issue with an Open ODS View in SAP BW (Business Warehouse) or SAP BW/4HANA. Specifically, this error occurs when you attempt to use an Open ODS View that contains joins, which are not permitted in this context.
  Cause:
  The primary cause of this error is that Open ODS Views are designed to work with data sources that do not require complex joins. When you define an Open ODS View, it is expected to be a simple representation of data, typically sourced from external databases or flat files. If the view definition includes joins to other tables or views, the system will throw this error because Open ODS Views cannot handle such complexity.
  Solution:
  To resolve the RS_HCPR_MODEL126 error, you can consider the following approaches:
  
  
  Remove Joins: If possible, modify the Open ODS View definition to eliminate any joins. This may involve restructuring your data model or using a different approach to combine data.
  
  
  Use a Different Object: If your use case requires joins, consider using a different type of object, such as a CompositeProvider or a standard InfoProvider, which can handle more complex data models and allow for joins.
  
  
  Create a View in the Source Database: If you need to join data from multiple tables, consider creating a database view in the source system that combines the necessary data. You can then use this view as the data source for your Open ODS View.
  
  
  Check Documentation: Review the SAP documentation for Open ODS Views to ensure that you are following best practices and understand the limitations of this object type.
  
  
  Related Information:
  
  Open ODS View: A type of object in SAP BW that allows you to access data from external sources without the need for data modeling in the traditional sense.
  CompositeProvider: A more flexible object in SAP BW that allows for the combination of multiple data sources, including the ability to perform joins.
  SAP Notes and Documentation: Always check for relevant SAP Notes or updates that may provide additional insights or solutions related to this error.
  
  By following these steps, you should be able to address the RS_HCPR_MODEL126 error and successfully work with your Open ODS View.