How To Fix CACSDDIC004 - Error while calling function to compare structures (local and remote)

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSDDIC - Messages for Access of Data Dictionary

• Message number: 004

• Message text: Error while calling function to compare structures (local and remote)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACSDDIC004 - Error while calling function to compare structures (local and remote) ?

  The SAP error message CACSDDIC004 indicates that there is an issue when trying to compare structures between local and remote systems. This error typically arises in scenarios involving remote function calls (RFC) or when working with data dictionary objects across different SAP systems.
  Causes:
  
  
  Inconsistent Data Structures: The structures being compared may have different definitions in the local and remote systems. This can happen if there have been changes in the data dictionary (like adding or removing fields) that have not been synchronized between the systems.
  
  
  Version Mismatch: The versions of the SAP systems involved may differ, leading to discrepancies in the data structures.
  
  
  Transport Issues: If changes to data dictionary objects were transported from one system to another, there may have been issues during the transport process that caused inconsistencies.
  
  
  Network Issues: Temporary network issues or connectivity problems between the systems can also lead to this error.
  
  
  Solutions:
  
  
  Check Data Dictionary Objects: Verify that the structures in both the local and remote systems are identical. You can do this by comparing the data dictionary definitions (transaction SE11) in both systems.
  
  
  Synchronize Changes: If there are differences, ensure that the changes are properly transported and activated in both systems. Use transaction SE09 or SE10 to check transport requests.
  
  
  Check System Versions: Ensure that both systems are running compatible versions of SAP. If there are significant version differences, consider upgrading or aligning the systems.
  
  
  Network Troubleshooting: If the error is intermittent, check the network connectivity between the systems. Ensure that there are no firewall or routing issues that could be causing communication problems.
  
  
  Debugging: If you have access to the ABAP code, you can debug the function module that is causing the error to get more insights into what might be going wrong.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE09/SE10 (Transport Organizer), SE37 (Function Module).
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review SAP documentation related to RFC and data dictionary management for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the cause of the CACSDDIC004 error in your SAP environment.