How To Fix R7B355 - Master data read class &1 not actively available

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 355

• Message text: Master data read class &1 not actively available

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7B355 - Master data read class &1 not actively available ?

  The SAP error message R7B355, which states "Master data read class &1 not actively available," typically occurs in the context of SAP Master Data Management (MDM) or when dealing with master data in SAP systems. This error indicates that the system is trying to access a master data class that is not currently active or available for use.
  Cause:
  
  Inactive Master Data Class: The master data class specified in the error message (&1) is not activated in the system. This could be due to configuration changes or the class being deactivated intentionally.
  Configuration Issues: There may be issues in the configuration settings related to the master data classes in the SAP system.
  Transport Issues: If the master data class was recently transported from another system, it may not have been activated properly in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified master data class.
  
  Solution:
  
  
  Activate the Master Data Class:
  
  Go to the relevant configuration transaction (e.g., SPRO) and navigate to the section where master data classes are defined.
  Check if the master data class is listed and ensure it is activated.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings for the master data classes to ensure they are set up correctly.
  Make sure that all necessary dependencies and settings are in place.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs to ensure that the master data class was transported correctly.
  If necessary, re-transport the master data class or manually activate it in the target system.
  
  
  
  User Authorizations:
  
  Verify that the user encountering the error has the appropriate authorizations to access the master data class.
  If needed, consult with your SAP security team to adjust the user roles and permissions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific master data class for additional troubleshooting steps or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message R7B355. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), SE11 (for data dictionary), and SE37 (for function modules) that may help in troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.