How To Fix ESH_OM_OBJ_MODEL_REP656 - Association type &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 656

• Message text: Association type &1 does not exist

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 ESH_OM_OBJ_MODEL_REP656 - Association type &1 does not exist ?

  The SAP error message ESH_OM_OBJ_MODEL_REP656 indicates that there is an issue with an association type that is expected to exist in the system but does not. This error typically arises in the context of the SAP Enterprise Search or the SAP HANA Search framework, where the system is trying to access or utilize an association type that has not been defined or is not available in the current context.
  Cause:
  
  Missing Association Type: The specified association type (&1 in the error message) is not defined in the object model or the relevant configuration.
  Incorrect Configuration: There may be a misconfiguration in the object model or the search configuration that references the association type.
  Transport Issues: If the system has recently undergone a transport of changes, the association type may not have been included or properly activated.
  Version Mismatch: There could be a version mismatch between different components of the SAP system, leading to the association type not being recognized.
  
  Solution:
  
  
  Check Object Model Configuration:
  
  Go to the relevant configuration area in the SAP system (e.g., the SAP NetWeaver Administrator or the relevant transaction for managing object models).
  Verify that the association type in question is defined and correctly configured.
  
  
  
  Define the Missing Association Type:
  
  If the association type does not exist, you may need to create it. This involves defining the association in the object model and ensuring it is correctly linked to the relevant entities.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport request to ensure that all necessary objects, including the association type, were included and activated in the target system.
  
  
  
  Check for Updates or Patches:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve compatibility issues.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific version of the software you are using to understand the expected configurations and any known issues related to association types.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on similar issues.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for Enterprise Search or the specific module you are working with to understand the expected configurations and best practices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.