How To Fix MDG_OIF018 - ABAP Dictionary structure &1 not activated

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_OIF - Message Class for Outbound Interface

• Message number: 018

• Message text: ABAP Dictionary structure &1 not activated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_OIF018 - ABAP Dictionary structure &1 not activated ?

  The SAP error message MDG_OIF018 indicates that a specific ABAP Dictionary structure (denoted by &1 in the message) is not activated. This typically occurs in the context of SAP Master Data Governance (MDG) when the system is trying to access or utilize a data structure that has not been properly activated in the ABAP Dictionary.
  Cause:
  
  Inactive Data Structure: The most common cause is that the data structure has been created or modified but not activated. In SAP, any changes to data structures must be activated for the system to recognize and use them.
  Transport Issues: If the structure was transported from another system, it may not have been activated in the target system.
  Development Environment: If you are working in a development environment, the structure may not have been activated after changes were made.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Activate the Structure:
  
  Go to transaction code SE11 (ABAP Dictionary).
  Enter the name of the structure that is indicated in the error message (replace &1 with the actual structure name).
  Check if the structure is inactive. If it is, activate it by clicking on the "Activate" button (or pressing Ctrl + F3).
  
  
  
  Check for Transport Requests:
  
  If the structure was transported, ensure that the transport request was successfully imported and that the structure is activated in the target system.
  
  
  
  Check Dependencies:
  
  Sometimes, other objects (like tables or views) may depend on the structure. Ensure that all related objects are also activated.
  
  
  
  Recheck the Configuration:
  
  If the structure is part of a configuration for MDG, ensure that all related configurations are correctly set up and activated.
  
  
  
  Clear Cache:
  
  In some cases, clearing the SAP buffer/cache can help. You can do this using transaction code SM12 or SM21 to check for any locks or issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE11: ABAP Dictionary
  SE80: Object Navigator
  SE37: Function Module
  SE38: ABAP Editor
  
  
  Documentation: Refer to SAP Help Portal for detailed documentation on Master Data Governance and ABAP Dictionary.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to the error message MDG_OIF018.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance, as they may need to investigate deeper into the system configuration or logs.