How To Fix MCEX018 - Communication structure does not have an append structure

MCEX018 - Overview

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 018

• Message text: Communication structure does not have an append structure

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 MCEX018 - Communication structure does not have an append structure ?

  The SAP error message MCEX018 indicates that the communication structure you are trying to use does not have an append structure. This typically occurs in the context of SAP's Logistics Information System (LIS) or when working with data extraction and reporting.
  
  Cause:
  The error arises when you attempt to enhance a communication structure (like a data source) with an append structure, but the system cannot find any append structure associated with the specified communication structure. This can happen due to:
  
  Missing Append Structure: The append structure has not been created or activated for the communication structure.
  Incorrect Configuration: The communication structure may not be correctly configured to allow for appending.
  Transport Issues: If the append structure was created in a different system (like a development system) and not transported correctly to the target system (like production), it may not be available.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the Communication Structure:
  
  Go to transaction code