How To Fix SATC_RUN_TIME452 - 'Primary Item' &1 is mapped to unknown item &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SATC_RUN_TIME - Messages of the ATC runtime layer

• Message number: 452

• Message text: 'Primary Item' &1 is mapped to unknown item &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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SATC_RUN_TIME452 - 'Primary Item' &1 is mapped to unknown item &2 ?

  The SAP error message SATC_RUN_TIME452 indicates that there is a mapping issue in the context of a data transfer or data processing operation. Specifically, it suggests that a "Primary Item" (denoted as &1) is mapped to an "unknown item" (denoted as &2). This typically occurs in scenarios involving data migration, data replication, or integration processes where items or entities are expected to be linked or mapped correctly.
  Cause:
  
  
  Mapping Configuration Issues: The primary cause of this error is often related to incorrect or incomplete mapping configurations. The system is trying to reference an item that does not exist in the target system or is not defined in the mapping table.
  
  
  Data Integrity Issues: There may be issues with the data integrity, such as missing records in the source or target systems, or discrepancies in the item identifiers.
  
  
  Changes in Item Definitions: If there have been recent changes to item definitions, such as renaming or deleting items, the mapping may no longer be valid.
  
  
  Transport Issues: If the mapping was transported from one system to another, there may have been issues during the transport process that led to missing or incorrect mappings.
  
  
  Solution:
  
  
  Check Mapping Configuration: Review the mapping configuration in the relevant transaction or tool (e.g., LSMW, SAP Data Services, etc.). Ensure that the primary item is correctly mapped to a valid target item.
  
  
  Validate Item Existence: Verify that both the primary item and the target item exist in the system. You can do this by checking the relevant master data tables or using transaction codes like SE11 or SE16.
  
  
  Update Mapping: If the mapping is incorrect, update it to reflect the correct relationships. This may involve creating new mappings or modifying existing ones.
  
  
  Data Consistency Check: Perform a data consistency check to ensure that all required items are present and correctly defined in both the source and target systems.
  
  
  Transport Review: If the issue arose after a transport, review the transport logs and ensure that all necessary objects were included and correctly transported.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or process you are working with for any additional guidance or known issues.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to check mappings or data (e.g., LSMW, SE11, SE16).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number in the SAP Support Portal.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the SATC_RUN_TIME452 error and implement the necessary corrections to resolve it.