How To Fix RSAR256 - The communication structure does not contain InfoObjects

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 256

• Message text: The communication structure does not contain InfoObjects

How to fix this error?

Assign InfoObjects to the communication structure.

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 RSAR256 - The communication structure does not contain InfoObjects ?

  The SAP error message RSAR256, which states "The communication structure does not contain InfoObjects," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data transfer process, particularly when transferring data from a source system to a target system.
  Cause:
  
  
  Missing InfoObjects: The communication structure (which is used for data transfer) does not have the required InfoObjects defined. This can happen if the InfoObjects were not included in the data source or if there was a misconfiguration in the data transfer process.
  
  
  Incorrect Data Source Configuration: The data source may not be properly configured to include the necessary InfoObjects, leading to the communication structure being empty.
  
  
  Changes in Data Model: If there have been recent changes to the data model (like adding or removing InfoObjects), the communication structure may not have been updated accordingly.
  
  
  Transport Issues: If the data source or InfoObjects were transported from one system to another, there may have been issues during the transport process that led to missing definitions.
  
  
  Solution:
  
  
  Check Data Source Configuration:
  
  Go to the Data Source in the SAP BW system and ensure that all required InfoObjects are included in the communication structure.
  You can do this by navigating to the Data Source in the Data Warehousing Workbench (RSA1) and checking the fields defined.
  
  
  
  Update Communication Structure:
  
  If the InfoObjects are missing, you may need to update the communication structure. This can be done by modifying the Data Source and ensuring that all necessary fields are included.
  
  
  
  Re-activate Data Source:
  
  Sometimes, simply reactivating the Data Source can resolve the issue. You can do this in RSA1 by selecting the Data Source and choosing the "Activate" option.
  
  
  
  Check for Transport Issues:
  
  If the Data Source or InfoObjects were recently transported, check the transport logs for any errors or issues that may have occurred during the transport process.
  
  
  
  Check for Changes in Data Model:
  
  If there have been changes to the InfoObjects or the data model, ensure that the communication structure is updated to reflect these changes.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSO2: Data Source Maintenance
  RSO3: Data Source Display
  
  
  
  Documentation: Review SAP documentation related to data sources and InfoObjects for best practices in configuration and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify and resolve the cause of the RSAR256 error in your SAP BW environment.