How To Fix MCEX006 - No field was selected from communication structure &

SAP Error Message - Details

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 006

• Message text: No field was selected from communication 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MCEX006 - No field was selected from communication structure & ?

  The SAP error message MCEX006 indicates that no field was selected from the communication structure in the context of a data extraction process, typically related to the SAP Logistics Information System (LIS) or the SAP Business Warehouse (BW). This error often occurs when you are trying to create or modify a data source or InfoSource and have not selected any fields from the communication structure.
  Cause:
  
  No Fields Selected: The primary cause of this error is that when defining a data source or InfoSource, you did not select any fields from the communication structure.
  Incorrect Configuration: There may be an issue with the configuration of the data source or InfoSource, leading to the absence of selected fields.
  Technical Issues: Sometimes, technical issues or bugs in the system can lead to this error.
  
  Solution:
  To resolve the MCEX006 error, follow these steps:
  
  
  Check Data Source Configuration:
  
  Go to the transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the relevant InfoSource or data source.
  Ensure that you have selected the necessary fields from the communication structure.
  
  
  
  Select Fields:
  
  In the data source definition, go to the "Field Selection" tab.
  Select the required fields from the communication structure that you want to extract.
  
  
  
  Activate the Data Source:
  
  After selecting the fields, make sure to activate the data source or InfoSource.
  This can usually be done by clicking on the "Activate" button in the toolbar.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no dependencies or prerequisites that need to be fulfilled before selecting fields.
  
  
  
  Recheck Communication Structure:
  
  Verify that the communication structure itself is correctly defined and contains the fields you need.
  
  
  
  Transport Requests:
  
  If you are working in a development environment, ensure that any transport requests related to the data source are correctly released and imported into the target environment.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSA3 (Data Source Test), and others that may help in troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the MCEX006 error.
  Documentation: Review SAP documentation regarding data sources and InfoSources for best practices and guidelines.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or technical team for further assistance, as they may need to investigate deeper into the system configuration or logs.