How To Fix R7B282 - Characteristic &1: Invalid master data access class &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 282

• Message text: Characteristic &1: Invalid master data access class &2

What causes this issue?

For characteristic &V1& you have determined that master data be accessed
using an ABAP class you have implemented yourself. Class &V2& does not
implement interface IF_RSMD_RS_ACCESS. The interface of the class is not
compatible.

System Response

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

How to fix this error?

Implement interface IF_RSMD_RS_ACCESS using class &V2&.

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 R7B282 - Characteristic &1: Invalid master data access class &2 ?

  The SAP error message R7B282 indicates that there is an issue with the master data access class for a characteristic in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error typically arises when the system is unable to access the required master data for a characteristic due to an invalid access class.
  Cause:
  
  Invalid Access Class: The master data access class specified for the characteristic is not valid or does not exist in the system.
  Configuration Issues: There may be configuration issues in the InfoObject or the master data settings.
  Transport Issues: If the InfoObject was transported from one system to another, the transport might not have included all necessary components.
  Data Model Changes: Changes in the data model or InfoObjects that have not been properly updated or activated.
  
  Solution:
  
  
  Check Access Class: Verify the access class assigned to the characteristic in the InfoObject definition. Ensure that it is correctly defined and exists in the system.
  
  Go to the InfoObject maintenance transaction (e.g., RSA1) and check the settings for the characteristic.
  
  
  
  Reassign Access Class: If the access class is invalid, you may need to reassign it to a valid one or create a new access class if necessary.
  
  
  Activate InfoObject: If there have been recent changes to the InfoObject, ensure that it is activated. Sometimes, changes may not take effect until the InfoObject is activated.
  
  
  Check Master Data: Ensure that the master data for the characteristic is correctly loaded and available in the system. You can check the master data in the relevant InfoObject.
  
  
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary components were included and correctly transported.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW/BI you are using for any known issues or additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to access InfoObjects and check their settings.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or BW team for further investigation.