How To Fix RSAU178 - Communication structure & does not exist

RSAU178 - Overview

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 178

• Message text: Communication structure & does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU178 - Communication structure & does not exist ?

  The SAP error message RSAU178 indicates that a communication structure required for a specific operation does not exist. This error typically arises in the context of SAP's data extraction processes, particularly when dealing with the SAP BW (Business Warehouse) or SAP BI (Business Intelligence) systems.
  
  Cause:
  
  Missing Communication Structure: The primary cause of this error is that the communication structure (often a DataSource or InfoSource) that the system is trying to access has not been created or is not activated.
  Incorrect Configuration: There may be a misconfiguration in the DataSource settings or the extraction process.
  Transport Issues: If the communication structure was recently transported from another system, it may not have been properly activated in the target system.
  Version Mismatch: The version of the DataSource or InfoSource may not match the version expected by the system.
  
  
  Solution:
  
  
  Check Communication Structure: 
  
  Go to the DataSource or InfoSource in the SAP system and verify if the communication structure exists.
  Use