How To Fix R7738 - Use different dimension names

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 738

• Message text: Use different dimension names

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message R7738 - Use different dimension names ?

  The SAP error message R7738, which states "Use different dimension names," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is a conflict with dimension names in a data model or InfoProvider. This error usually arises when you are trying to create or modify a data model, and the system detects that two or more dimensions have the same name, which is not allowed.
  Cause:
  
  Duplicate Dimension Names: The most common cause of this error is that there are two or more dimensions in the same InfoProvider or data model that have identical names.
  Modeling Errors: It can also occur due to incorrect modeling practices where dimensions are not uniquely defined.
  Data Source Conflicts: If you are trying to merge or integrate data sources that have overlapping dimension names without proper differentiation.
  
  Solution:
  
  
  Check Dimension Names: Review the dimensions in your InfoProvider or data model. Ensure that each dimension has a unique name. You can do this by:
  
  Navigating to the data model or InfoProvider in the SAP BW modeling tools.
  Listing all dimensions and checking for duplicates.
  
  
  
  Rename Dimensions: If you find duplicate names, rename the dimensions to ensure they are unique. This can be done in the modeling environment by selecting the dimension and changing its name.
  
  
  Review Data Sources: If the error arises from merging data sources, ensure that the dimensions from different sources are appropriately mapped and renamed if necessary to avoid conflicts.
  
  
  Revalidate the Model: After making changes, revalidate the data model to ensure that there are no further conflicts or errors.
  
  
  Consult Documentation: If you are unsure about how to rename dimensions or manage your data model, refer to the SAP documentation or help resources for guidance on best practices in data modeling.
  
  
  Related Information:
  
  SAP BW Modeling Tools: Familiarize yourself with the SAP BW modeling tools, as they provide functionalities to manage dimensions and InfoProviders effectively.
  SAP Notes and Community: Check SAP Notes for any specific patches or updates related to this error. The SAP Community forums can also be a valuable resource for troubleshooting and finding solutions shared by other users.
  Best Practices: Follow best practices for naming conventions in SAP BW to avoid similar issues in the future. This includes using descriptive names and avoiding generic terms.
  
  By addressing the duplicate dimension names and ensuring unique identifiers for each dimension, you should be able to resolve the R7738 error and proceed with your data modeling tasks.