How To Fix R7B281 - Characteristic &1: Name of master data access class not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 281

• Message text: Characteristic &1: Name of master data access class not specified

What causes this issue?

For characteristic &V1& you have determined that master data be accessed
using an ABAP class you have implemented yourself. You have not
specified the name of this master data access class.

System Response

The master data cannot be accessed. The system will terminate during
query runtime.

How to fix this error?

Enter a valid class name.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R7B281 - Characteristic &1: Name of master data access class not specified ?

  The SAP error message R7B281 indicates that there is an issue with the configuration of a characteristic in the context of master data access classes. Specifically, it suggests that the name of the master data access class for the characteristic is not specified, which is necessary for the system to retrieve the relevant master data.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Missing Configuration: The characteristic in question has not been properly configured to link to a master data access class.
  Incorrect Settings: The settings for the characteristic may be incomplete or incorrect, leading to the system being unable to identify the required master data access class.
  Transport Issues: If the characteristic was transported from another system, the transport may not have included all necessary configurations.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Characteristic Configuration:
  
  Go to the relevant transaction (e.g., RSD1 for InfoObjects) and find the characteristic that is causing the error.
  Ensure that the "Master Data Access Class" field is filled in. If it is empty, specify the appropriate master data access class.
  
  
  
  Define Master Data Access Class:
  
  If you do not have a master data access class defined, you may need to create one. This can typically be done in the Data Warehousing Workbench or the relevant configuration area for your SAP system.
  
  
  
  Review Transport Requests:
  
  If the characteristic was recently transported, check the transport request to ensure that all necessary objects and configurations were included.
  
  
  
  Check for Dependencies:
  
  Ensure that any dependencies or related objects (like InfoObjects, DataSources, etc.) are also correctly configured and activated.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring master data access classes and characteristics.
  
  
  
  Testing:
  
  After making the necessary changes, test the characteristic to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSD1 (for InfoObjects), RSA1 (for Data Warehousing Workbench), and RSC1 (for InfoProviders).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar cases.
  
  By following these steps, you should be able to resolve the R7B281 error and ensure that your characteristic is properly configured to access the necessary master data.