How To Fix LTR2_RN126 - Mapping failed on interval '&4' for number '&1' sub object '&2' year '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_RN - LTR2 RN: Message class

• Message number: 126

• Message text: Mapping failed on interval '&4' for number '&1' sub object '&2' year '&3'

What causes this issue?

If the invalid number handler 'Use interval with the nearest FROMNUMBER'
or 'Use a fixed defined interval' is used, the derived/defined interval
is correct for the specific sub-object and fiscal year of the NR object,
but the mapping cannot be created on this interval.
Example: The specified number is higher than the maximum value of the
interval.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use a proper interval or number.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_RN126 - Mapping failed on interval '&4' for number '&1' sub object '&2' year '&3' ?

  The SAP error message LTR2_RN126 indicates that there is a mapping failure in the context of the SAP Logistics Execution (LE) or Transportation Management (TM) module. This error typically occurs during the execution of a process that involves mapping data for a specific interval, number, sub-object, and year.
  Cause:
  The error can be caused by several factors, including:
  
  
  Data Inconsistency: The data being processed may not match the expected format or values. This could be due to missing or incorrect entries in the relevant tables.
  
  
  Configuration Issues: There may be a misconfiguration in the mapping settings or rules that govern how data is transformed or interpreted.
  
  
  Missing Master Data: The required master data (e.g., material master, customer master, etc.) may not be available or may be incomplete.
  
  
  Custom Code: If there are custom enhancements or modifications in the system, they may not be handling the data correctly, leading to mapping failures.
  
  
  Versioning Issues: If there are changes in the data structure or versioning issues, the mapping logic may not be able to process the data correctly.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Integrity: Verify the data being processed for the specified interval, number, sub-object, and year. Ensure that all required fields are populated and that the data is in the correct format.
  
  
  Review Mapping Configuration: Examine the mapping configuration settings in the relevant transaction codes (e.g., LTR2) to ensure that they are set up correctly. Look for any discrepancies or missing mappings.
  
  
  Validate Master Data: Ensure that all necessary master data is available and correctly maintained in the system. This includes checking for any missing entries that could affect the mapping process.
  
  
  Debug Custom Code: If there are custom enhancements, debug the code to identify any issues that may be causing the mapping to fail. Look for any exceptions or errors in the custom logic.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be known issues or patches available.
  
  
  Test in a Development Environment: If possible, replicate the issue in a development or test environment to analyze the problem without affecting production data.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTR2 (for mapping) and others related to logistics and transportation management.
  Documentation: Review SAP documentation related to the specific module you are working with, as it may provide insights into common issues and their resolutions.
  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 the root cause of the error and implement an appropriate solution.