How To Fix /PM0/INSOBJ_GEN_MESS023 - Unknown combination of object category &1 / object type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/INSOBJ_GEN_MESS -

• Message number: 023

• Message text: Unknown combination of object category &1 / object type &2

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 /PM0/INSOBJ_GEN_MESS023 - Unknown combination of object category &1 / object type &2 ?

  The SAP error message /PM0/INSOBJ_GEN_MESS023 indicates that there is an unknown combination of object category and object type in the context of SAP Plant Maintenance (PM) or related modules. This error typically arises when the system encounters an object that it does not recognize or that is not properly configured.
  Cause:
  
  Incorrect Configuration: The object category and object type may not be correctly defined in the system. This can happen if the configuration settings for the object types are incomplete or incorrect.
  Missing Entries: There may be missing entries in the relevant customizing tables that link object categories to object types.
  Data Integrity Issues: The data being processed may have integrity issues, such as references to non-existent or incorrectly defined objects.
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling certain object types correctly.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the customizing settings in SAP (transaction SPRO) and verify the configuration for object categories and object types.
  Ensure that the object category and object type you are trying to use are correctly defined and linked.
  
  
  
  Review Customizing Tables:
  
  Check the relevant customizing tables (e.g., T399, T399A) to ensure that the combinations of object categories and object types are correctly maintained.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure that it does not reference any invalid or non-existent object types or categories.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program or transaction that is generating the error to identify where the issue is occurring.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific object types and categories you are working with to ensure compliance with best practices.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the details of the error message and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO for configuration, SE11 for data dictionary, and SE80 for object navigation.
  SAP Notes: Search for SAP Notes related to the error message or the specific object types you are working with. SAP Notes often contain fixes or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /PM0/INSOBJ_GEN_MESS023.