How To Fix RSAU256 - Communication structure & set to 'INACIVE'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 256

• Message text: Communication structure & set to 'INACIVE'

What causes this issue?

When an object that has a referential relation to an InfoSource is chang
ed, the communication structure is set to 'INACTIVE'.

System Response

How to fix this error?

Check the communication structure in the Data Warehousing Workbench and
activate it again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU256 - Communication structure & set to 'INACIVE' ?

  The SAP error message RSAU256 indicates that the communication structure for the SAP system is set to 'INACTIVE'. This typically occurs in the context of SAP's data extraction and communication processes, particularly when dealing with SAP BW (Business Warehouse) or SAP Data Services.
  Cause:
  The error can be caused by several factors, including:
  
  
  Inactive Communication Structure: The communication structure that is supposed to be used for data extraction is not activated. This can happen if the structure was recently created or modified and has not been activated yet.
  
  
  Configuration Issues: There may be issues with the configuration of the data source or the extraction process, leading to the communication structure being marked as inactive.
  
  
  Transport Issues: If the communication structure was transported from another system, it might not have been activated in the target system.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to activate the communication structure.
  
  
  Solution:
  To resolve the RSAU256 error, you can follow these steps:
  
  
  Activate the Communication Structure:
  
  Go to transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the relevant InfoSource or DataSource.
  Check the status of the communication structure.
  If it is inactive, activate it by selecting the appropriate option (usually found in the context menu or toolbar).
  
  
  
  Check Configuration:
  
  Ensure that the DataSource is correctly configured and that all necessary settings are in place.
  Verify that the extraction process is set up correctly.
  
  
  
  Transport Activation:
  
  If the communication structure was transported, ensure that it has been activated in the target system.
  You can check the transport logs for any issues during the transport process.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to activate the communication structure. You may need to consult with your SAP security team if there are any authorization issues.
  
  
  
  Recheck DataSource:
  
  If the issue persists, consider rechecking the DataSource settings and ensure that all related objects are active and correctly configured.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSC1: DataSource Maintenance
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the RSAU256 error. You can search for notes in the SAP Support Portal.
  
  
  Documentation: Review SAP documentation related to data extraction and communication structures for more detailed guidance.
  
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or BW team for further investigation.