How To Fix R7158 - Name of the characteristic itself (&1) is reserved

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 158

• Message text: Name of the characteristic itself (&1) is reserved

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7158 - Name of the characteristic itself (&1) is reserved ?

  The SAP error message R7158, which states "Name of the characteristic itself (&1) is reserved," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when you are trying to create or modify a characteristic in a data model or InfoObject. The error indicates that the name you are trying to use for the characteristic is reserved by the system and cannot be used.
  Cause:
  
  Reserved Names: The name you are trying to use for the characteristic is one of the reserved names in SAP. Certain names are predefined by SAP for system use and cannot be reused for custom objects.
  Naming Conventions: The name may not adhere to the naming conventions or restrictions set by SAP. For example, it might contain special characters or exceed the length limit.
  Existing Objects: There may already be an existing characteristic or object with the same name in the system.
  
  Solution:
  
  Choose a Different Name: The simplest solution is to select a different name for your characteristic that does not conflict with reserved names. Ensure that the new name adheres to SAP's naming conventions.
  Check Reserved Names: Refer to SAP documentation or the SAP community to find a list of reserved names to avoid using them in the future.
  Review Existing Objects: Check if there are existing characteristics or objects with the same name in your system. If so, consider renaming your new characteristic or modifying the existing one if appropriate.
  Consult SAP Notes: Look for any relevant SAP Notes that might provide additional context or solutions related to this error message.
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for guidelines on naming conventions and reserved names.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and how they resolved them.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) for managing InfoObjects and characteristics.
  
  By following these steps, you should be able to resolve the R7158 error and successfully create or modify your characteristic in SAP.