How To Fix M2788 - Communication structure & is incomplete and not active!

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 788

• Message text: Communication structure & is incomplete and not active!

What causes this issue?

Results of the check of communication structure &V1& show that the
communication structure is incomplete and not active.
This can often be the case when your communication structure &V1& is an
IDoc. In IDoc maintenance, reference fields cannot yet be maintained.

How to fix this error?

Choose the appropriate reference fields from your communication
structure. Your communication structure is then changed accordingly and
activated. You can the complete maintenance of your LIS inbound
interface.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2788 - Communication structure & is incomplete and not active! ?

  The SAP error message M2788, which states "Communication structure & is incomplete and not active," typically occurs in the context of Material Management (MM) or related modules when there is an issue with the communication structure used for data transfer between different components or systems.
  Cause:
  
  Incomplete Configuration: The communication structure may not have been fully configured or activated in the system.
  Missing Fields: Required fields in the communication structure may be missing or incorrectly defined.
  Transport Issues: If the communication structure was recently transported from a development environment to a production environment, it may not have been activated properly.
  Version Mismatch: There may be a version mismatch between the systems involved in the communication.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant transaction (e.g., SPRO) and navigate to the configuration settings for the communication structure.
  Ensure that all necessary fields are defined and that the structure is complete.
  
  
  
  Activate the Communication Structure:
  
  Use transaction SE11 (Data Dictionary) to check the communication structure.
  If it is not active, activate it by selecting the structure and choosing the "Activate" option.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport logs to ensure that the communication structure was transported correctly.
  Re-transport or re-activate the structure if necessary.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches that may address this specific error. Sometimes, SAP releases updates that fix known issues.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific module you are working with to ensure that all prerequisites for the communication structure are met.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the communication structure is being called and what specific data is causing the error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SPRO, and SE80 for data dictionary and configuration tasks.
  SAP Notes: Search the SAP Support Portal for notes related to M2788 or the specific communication structure you are working with.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem continues after trying these solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.