How To Fix VE806 - The communication structure & is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: VE - Message ID for condition analysis

• Message number: 806

• Message text: The communication structure & is unknown

What causes this issue?

The program uses the agreed communication structures to transfer the
data. Communication structure &V1& agreed for usage &V2& and
application &V3& does not exist.

System Response

The system terminates processing.

How to fix this error?

Check structure &V1& in the Dictionary and check registration of
application &V3& in usage &V2& (entry in table T681Z).

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Check whether all the transfers have arrived in the system and make
sure that they are consistent.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VE806 - The communication structure & is unknown ?

  The SAP error message VE806, which states "The communication structure & is unknown," typically occurs in the context of SAP's logistics and supply chain modules, particularly when dealing with communication structures in the context of IDocs or other data transfer mechanisms.
  Cause:
  
  
  Unknown Communication Structure: The error indicates that the system is trying to reference a communication structure that is not defined or recognized in the system. This could be due to:
  
  The communication structure not being created or activated.
  A typo or incorrect naming in the configuration or code.
  Missing or incomplete configuration in the relevant module (e.g., ALE, EDI).
  
  
  
  Transport Issues: If the communication structure was recently transported from another system, it may not have been properly imported or activated in the target system.
  
  
  Version Mismatch: There may be a version mismatch between the sender and receiver systems, leading to the communication structure not being recognized.
  
  
  Solution:
  
  
  Check Communication Structure:
  
  Go to transaction code WE30 (for IDoc types) or WE31 (for message types) and verify if the communication structure exists.
  Ensure that the structure is correctly defined and activated.
  
  
  
  Review Configuration:
  
  Check the configuration settings in transaction WE20 (Partner Profiles) to ensure that the correct message types and communication structures are assigned.
  Verify that the relevant settings in the application area (e.g., Sales and Distribution, Materials Management) are correctly configured.
  
  
  
  Transport and Activation:
  
  If the structure was recently transported, ensure that the transport request was successfully imported and that all necessary objects are activated.
  Use transaction SE09 or SE10 to check the transport logs for any issues.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the relevant ABAP code to see where the error is being triggered and gather more context about the issue.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific module you are working with to see if there are any known issues or additional configuration steps required.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE30: IDoc Types
  WE31: IDoc Segments
  WE20: Partner Profiles
  SE09/SE10: Transport Organizer
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Community Forums: Check SAP Community or other forums for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify and resolve the cause of the VE806 error in your SAP system.