How To Fix M2739 - Multi-level communications structures are not currently supported!

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 739

• Message text: Multi-level communications structures are not currently supported!

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 M2739 - Multi-level communications structures are not currently supported! ?

  The SAP error message M2739, which states "Multi-level communications structures are not currently supported," typically occurs in the context of SAP's Material Management (MM) module, particularly when dealing with communication structures in the context of data transfer or integration scenarios.
  Cause:
  The error is generally caused by the following factors:
  
  
  Data Structure Complexity: The system is trying to process a communication structure that has multiple levels of hierarchy or nested structures, which are not supported by the current configuration or the specific transaction being executed.
  
  
  Incorrect Configuration: The configuration settings for the communication structures may not be set up correctly, leading to the system's inability to handle the data as expected.
  
  
  Version Limitations: The version of SAP you are using may have limitations regarding the handling of multi-level structures.
  
  
  Solution:
  To resolve the M2739 error, consider the following steps:
  
  
  Review Data Structures: Check the data structures being used in the transaction. Ensure that they are flat (single-level) structures and do not contain nested or multi-level elements.
  
  
  Adjust Configuration: If you have access to the configuration settings, review and adjust them to ensure that they are compatible with the data structures you are trying to use.
  
  
  Use Alternative Methods: If multi-level structures are necessary for your business process, consider using alternative methods or tools that can handle such structures, such as custom ABAP programs or different integration techniques.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or transaction you are working with. There may be specific guidelines or updates that address this issue.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may provide patches or updates that can resolve the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Ensure that your team is trained on the proper use of communication structures within SAP, as this can help prevent similar issues in the future.
  
  By following these steps, you should be able to identify the root cause of the M2739 error and implement a suitable solution.