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

LTR2_RN126 - Overview

• 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